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Nguồn:
Người gửi: Hoàng An Dinh (trang riêng)
Ngày gửi: 10h:49' 16-02-2009
Dung lượng: 58.8 KB
Số lượt tải: 35

Số lượt thích: 0 người

2.0.0 (279,Windows NT) stopped off 1.000 %8 %1 O_point defined (0,0,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size I_vector defined (0,0,0,1) (1,0,0) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius orange_red vector3_base_point_size vector3_base_curve_radius J_vector defined (0,0,0,1) (0,1,0) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius lawn_green vector3_base_point_size vector3_base_curve_radius K_vector defined (0,0,0,1) (0,0,1) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius steel_blue vector3_base_point_size vector3_base_curve_radius document_toolbar default_document_toolbar Z0_Plane defined (0,0,1,0) normal_surface_thickness solid_surface_style ivory default_layer solid_curve_style normal_curve_radius dim_gray template_plane3_base_surface_thickness plane3_base_curve_radius doc_settings -215 0 document_window 0 600 600 0 0 2 X1_point no_display no_picking (1,0,0,1) Y1_point no_display no_picking (0,1,0,1) Z1_point no_display no_picking (0,0,1,1) %1 1 29.700 21.000 %8 %27 %6 27.500 27.500 %7 origin3 %7 ((-0.46174861323503375,-0.4095760221444959,0.78678821817552314,0),(0.88701083317822183,-0.21321178182447684,0.40957602214449573,0),(0,0.88701083317822171,0.46174861323503386,0),(0,0,0,1)) %8 0.500 0.500 16.500 20.000 default_surface_clipping_transfo3 %7 central_medium_lens default_layer default_clipping_transfo3 cornflower_blue no_auto_rotate %9 I_vector O_point X1_point %10 J_vector O_point Y1_point %11 K_vector O_point Z1_point %15 %16 %17 Z0_Plane %16 defined (0,0,-0.25610959276737638,0.90555564797070398,0.33819645906024376,0) hidden_layer solid_curve_style normal_curve_radius cornflower_blue line3_base_curve_radius %17 defined (1.3205146101943424,-3.5358130798061032,0,1) sphere_point_style large_point_size yellow default_layer point3_base_point_size %18 (0.33819645906024376,-0.90555564797070398,0.25610959276737638) %17 Z0_Plane %19 %20 %21 %16 %20 defined default_layer solid_curve_style normal_curve_radius deep_pink conic3_base_curve_radius %21 defined (2.7516235673222482,-3.450560873991336,0,1) sphere_point_style large_point_size yellow default_layer point3_base_point_size %22 (0.60806127296267765,-0.76251434331048607,0.22098272459354407) %21 Z0_Plane %25 %26 %259 %20 %26 defined normal_surface_thickness solid_surface_style violet default_layer solid_curve_style normal_curve_radius tomato quadric3_base_surface_thickness quadric3_base_curve_radius %27 17.500 0.500 6.000 20.000 %28 %28

Hình trải của hình nón

Cho hai hình nón khác nhau. Chúng vẫn giống nhau khi rê điểm R hoặc H.
1 - Rê điểm H` về phía mặt phẳng bên dưới và quan sát xem hình nón bên phải biến đổi thành hình trảicủa hình nón bên trái.

2 - Rê điểm H và R của hình nón bên trái. Điều đó ảnh hưởng đến hình trải của hình nón ở bên phải như thế nào ? Bạn có thể nói gì về sự thay đổi của I so với góc a được sinh ra từ hình trải.

]]> %32 %33 %259 %33 defined italic 12 Helvetica 0.000 0.000 H black default_layer %34 %35 %21 %35 defined italic 12 Helvetica -0.572 0.032 R black default_layer %55 $0*$1 %60 %61 %20 %61 9.0078633348767827 1 %62 (1,-0.0468454783765688) %63 %8 %61 %20 %63 defined italic 12 Helvetica -0.384 -8.080 cir = black hidden_layer %64 no_display no_picking defined (0,0,1,0) normal_surface_thickness solid_surface_style ivory default_layer solid_curve_style normal_curve_radius dim_gray template_plane3_base_surface_thickness plane3_base_curve_radius %71 defined (-0.70078622829042714,3.5425993770358839,0,1) sphere_point_style large_point_size yellow default_layer point3_base_point_size %72 (-0.1870186043487066,0.94541240183343756,0.26686969121088433) %71 %64 %73 %64 Z0_Plane %80 %82 %81 %259 %21 %81 4.0336581738125918 1 %82 defined default_layer solid_curve_style normal_curve_radius black mark3_base_curve_radius %83 %84 %81 %82 %84 defined italic 14 Helvetica 0.000 0.000 l = black default_layer %87 %17 %259 %88 %71 %88 defined (-0.70078622829042736,3.5425993770358843,3.7702861267279344,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %89 %90 %71 %88 %90 defined (-0.70078622829042714,3.5425993770358839,0,1)(-0.70078622829042736,3.5425993770358843,3.7702861267279344,1) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius brown subline3_base_point_size subline3_base_curve_radius %91 defined (-0.70078622829042736,3.5425993770358843,3.7702861267279344,1) sphere_point_style large_point_size yellow default_layer point3_base_point_size %92 (0.70710678118654757,0.70710678118654757) %91 %90 %93 %94 %81 %91 %94 defined normal_surface_thickness solid_surface_style coral hidden_layer solid_curve_style normal_curve_radius tomato quadric3_base_surface_thickness quadric3_base_curve_radius %95 %96 %94 Z0_Plane %96 defined hidden_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %97 defined (0.72570338347381314,3.3995323532438477,0,1) sphere_point_style normal_point_size yellow hidden_layer point3_base_point_size %98 (1,0.47498946826472482) %97 %96 %99 false %100 %61 %97 %96 %100 defined (0.7257033834738138,3.3995323532438531,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %101 defined (0.73151232063661364,3.6047415729215886,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %102 (1,0.51084148617246927) %101 %96 %103 %104 %97 %101 %100 %104 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %105 %106 %97 %91 %106 defined (0.72570338347381314,3.3995323532438477,0,1)(-0.70078622829042736,3.5425993770358843,3.7702861267279344,1) no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subline3_base_point_size subline3_base_curve_radius %107 %108 %91 %100 %108 defined (-0.70078622829042736,3.5425993770358843,3.7702861267279344,1)(0.7257033834738138,3.3995323532438531,0,1) no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subline3_base_point_size subline3_base_curve_radius %115 %116 %101 %91 %116 defined (0.73151232063661364,3.6047415729215886,0,1)(-0.70078622829042736,3.5425993770358843,3.7702861267279344,1) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius brown subline3_base_point_size subline3_base_curve_radius %121 %122 %91 %97 %122 defined (0.012458577591692941,3.4710658651398667,1.8851430633639674,1) sphere_point_style normal_point_size orange_red hidden_layer point3_base_point_size %123 %124 %122 %91 %124 defined (-0.34416382534936724,3.5068326210878751,2.8277145950459501,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %125 %126 %122 %97 %126 defined (0.36908098053275307,3.435299109191857,0.9425715316819836,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %127 %128 %116 %128 defined (0.015363046173093158,3.5736704749787371,1.8851430633639676,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %131 %132 %128 %91 %132 defined (-0.34271159105866711,3.5581349260073107,2.8277145950459506,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %137 %138 %101 %128 %138 defined (0.37343768340485339,3.5892060239501631,0.94257153168198382,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %139 %140 %91 %100 %140 defined (0.012458577591693226,3.4710658651398685,1.8851430633639674,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %141 %142 %100 %140 %142 defined (0.36908098053275351,3.4352991091918605,0.94257153168198371,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %143 %144 %140 %91 %144 defined (-0.34416382534936701,3.506832621087876,2.8277145950459501,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %145 %146 %124 %132 %144 %146 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %147 %148 %122 %128 %140 %148 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %149 %150 %142 %138 %126 %150 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %151 %152 %124 %91 %152 defined (-0.52247502681989722,3.5247159990618804,3.2990003608869429,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %153 %154 %91 %132 %154 defined (-0.52174890967454723,3.550367151521598,3.2990003608869429,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %155 %156 %91 %144 %156 defined (-0.5224750268198971,3.5247159990618804,3.2990003608869425,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %157 %158 %144 %140 %158 defined (-0.1658526238788369,3.4889492431138729,2.3564288292049591,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %159 %160 %128 %132 %160 defined (-0.16367427244278701,3.5659027004930244,2.3564288292049591,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %161 %162 %122 %124 %162 defined (-0.16585262387883715,3.4889492431138707,2.3564288292049591,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %163 %164 %126 %122 %164 defined (0.19076977906222301,3.4531824871658619,1.4138572975229755,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %165 %166 %138 %128 %166 defined (0.19440036478897324,3.5814382494644494,1.4138572975229755,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %167 %168 %140 %142 %168 defined (0.19076977906222339,3.4531824871658645,1.4138572975229755,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %169 %170 %142 %100 %170 defined (0.54739218200328366,3.417415731217857,0.47128576584099197,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %171 %172 %101 %138 %172 defined (0.55247500202073352,3.5969737984358758,0.47128576584099186,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %173 %174 %97 %126 %174 defined (0.54739218200328321,3.4174157312178521,0.4712857658409918,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %175 %176 %174 %172 %170 %176 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %177 %178 %168 %166 %164 %178 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %179 %180 %162 %160 %158 %180 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %181 %182 %156 %154 %152 %182 no_point_style normal_point_size tomato default_layer solid_curve_style large_curve_radius violet subconic3_base_point_size subconic3_base_curve_radius %183 %185 %184 %91 %88 %184 0 1 %185 defined hidden_layer solid_curve_style normal_curve_radius black mark3_base_curve_radius %186 %187 %184 %185 %187 defined italic 12 Helvetica 0.000 0.000 black hidden_layer %194 $1-$0 %201 -ceil($0)+1 %204 -$0 %205 %206 %88 Z0_Plane %206 defined (0,2.3208029961143703e-17,0.25636763754867681,-0.96657934719179173) normal_surface_thickness solid_surface_style light_steel_blue hidden_layer solid_curve_style normal_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %207 %209 %208 %17 %21 %208 1.433645976441885 1 %209 defined hidden_layer solid_curve_style normal_curve_radius black mark3_base_curve_radius %210 %211 %8 %208 %209 %211 defined italic 12 Helvetica -0.950 -2.591 r = black hidden_layer %212 %213 %208 %206 %91 %213 defined hidden_layer solid_curve_style normal_curve_radius deep_pink conic3_base_curve_radius %214 %91 %71 %215 %213 %215 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %216 %217 %90 %108 %217 defined (0.027744853721913026,0.27663779231026348,-1.0061396160665481e-16,-0.96057365930867222) normal_surface_thickness solid_surface_style light_steel_blue hidden_layer solid_curve_style normal_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %218 %219 %220 %217 %213 %219 defined (-2.1272758400546703,3.6856664008279143,3.7702861267279348,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %220 defined (0.72570338347381458,3.3995323532438526,3.7702861267279357,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %221 %222 %220 %100 %222 defined (0.72570338347381458,3.3995323532438526,3.7702861267279357,1)(0.7257033834738138,3.3995323532438531,0,1) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius brown subline3_base_point_size subline3_base_curve_radius %223 %100 %71 %224 %222 %224 defined (-0.70078622829042625,3.5425993770358839,3.7702861267279357,1)(-0.70078622829042736,3.5425993770358843,0,1) sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius brown subline3_base_point_size subline3_base_curve_radius %225 %226 %174 %224 %226 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %227 %228 %142 %224 %228 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %229 %230 %168 %224 %230 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %231 %232 %140 %224 %232 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %233 %234 %162 %224 %234 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %235 %236 %144 %224 %236 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %237 %238 %156 %224 %238 defined default_layer solid_curve_style normal_curve_radius violet conic3_base_curve_radius %239 %241 %97 %91 %100 %240 %240 0 1 %241 defined default_layer solid_curve_style normal_curve_radius black mark3_base_curve_radius %242 %243 %8 %240 %241 %243 defined italic 14 Helvetica -1.071 0.364 a = black default_layer %244 %245 %91 %245 defined italic 12 Helvetica 0.000 0.000 H' black default_layer %246 %248 %247 %91 %100 %247 4.0336581738125918 1 %248 defined default_layer solid_curve_style normal_curve_radius black mark3_base_curve_radius %249 %250 %247 %248 %250 defined italic 14 Helvetica 0.000 0.000 l = black default_layer %254 %255 %256 %17 %255 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius brown subline3_base_point_size subline3_base_curve_radius %256 defined (1.3205146101943421,-3.5358130798061032,7.2786426857923718,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %257 (0.99069377370406719,0.13610968644440574) %256 %16 %259 defined (1.3205146101943421,-3.5358130798061036,3.770286126727934,1) sphere_point_style large_point_size yellow default_layer point3_base_point_size %260 (0.45994938476326991,0.88794513538612818) %259 %255

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