Dinh li Desargues
Chia sẻ tài liệu: Dinh li Desargues thuộc Hình học 12
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2.0.0 (279,Windows NT) stopped off 1.000 v1 %1 v1 1.500 1.500 17.000 18.000 default_surface_clipping_transfo3 v1_proj central_medium_lens default_layer default_clipping_transfo3 no_auto_rotate v1_proj ((-0.71933980033865108,0.16216477604735102,-0.67546490438679496,0),(-0.69465837045899737,-0.16792654142609079,0.69946438439417469,0),(0,0.97236992039767656,0.23344536385590547,0),(0,0,0,1)) doc_settings -215 0 document_window 0 600 600 0 0 2 %1 1 29.700 21.000 v1 * %81 %4 13.500 134.000 v1_proj origin3 %7 (-0.49035139730710498,-4.0325838325361048,0,1) %8 %8 defined (-0.49035139730710498,-4.0325838325361048,0,1) sphere_point_style normal_point_size medium_blue default_layer point3_base_point_size %9 (3.6401896701753693,-3.4975388007333379,0,1) %10 %10 defined (3.6401896701753693,-3.4975388007333379,0,1) sphere_point_style normal_point_size medium_blue default_layer point3_base_point_size %11 (1.9127224626131396,2.6433042076755644,0,1) %12 %12 defined (1.9127224626131396,2.6433042076755644,0,1) sphere_point_style normal_point_size medium_blue default_layer point3_base_point_size %13 %14 %10 %8 %12 %14 defined (0,0,-1,0) normal_surface_thickness solid_surface_style cornflower_blue hidden_layer solid_curve_style small_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %15 (1.2972346260128778,-1.3776610493659942,5.9350757251804938,1) %16 %16 defined (1.2972346260128778,-1.3776610493659942,5.9350757251804938,1) sphere_point_style large_point_size yellow default_layer point3_base_point_size %17 %18 %16 %10 %18 defined (-0.076292854052058823,0.069028863484270397,0.19326186698173331,-0.67594087847077744,-0.70350985182571191,-0.015559061466374473) default_layer solid_curve_style normal_curve_radius floral_white line3_base_curve_radius %19 %20 %16 %8 %20 defined (0.069494873658133713,0.10321378718649836,0.23073425966199992,-0.93045524512516842,0.11314086663188204,0.2296328791896716) default_layer solid_curve_style normal_curve_radius floral_white line3_base_curve_radius %21 %22 %16 %12 %22 defined (-0.028587591572253168,-0.18676195638481799,0.27566673245575252,0.72867103381646459,-0.52727395136328437,-0.28165808804856951) default_layer solid_curve_style normal_curve_radius floral_white line3_base_curve_radius %23 (0.43861091622521359,0.8986770633370359) %24 %20 %24 defined (0.42478024222305227,-2.6734303105835964,3.0383855704088987,1) sphere_point_style normal_point_size dark_orange default_layer point3_base_point_size %25 (0.49169816492830892,0.87076570591987224) %26 %18 %26 defined (2.6202388370104011,-2.5746994641007022,2.5836967917405729,1) sphere_point_style normal_point_size dark_orange default_layer point3_base_point_size %27 (0.5895131925701057,0.80775874850465212) %28 %22 %28 defined (1.7464259225652024,1.5568934451290821,1.6035776815213136,1) sphere_point_style normal_point_size dark_orange default_layer point3_base_point_size %29 %30 %24 %26 %28 %30 defined (0.07481507008196979,0.10703257259212226,0.38448453827329693,-0.91384811293874846) normal_surface_thickness solid_surface_style cornflower_blue hidden_layer solid_curve_style small_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %31 %32 %30 %14 %32 defined (-0.10703257259212226,0.07481507008196979,0,0,0,0.91384811293874846) default_layer dash_curve_style normal_curve_radius black line3_base_curve_radius %33 %34 %24 %28 %34 defined (-0.1069115508678606,-0.34220251321769585,0.11606555287851499,0.72945001123824216,-0.37414086713243272,-0.4311814470955887) default_layer solid_curve_style small_curve_radius orange_red line3_base_curve_radius %35 %36 %24 %26 %36 defined (-0.23412916380207297,-0.01052890297425532,0.048489141991817954,-0.097641475065905356,-0.73197190238859233,-0.63040047305580083) default_layer solid_curve_style small_curve_radius orange_red line3_base_curve_radius %37 %38 %26 %28 %38 defined (0.069323849498423518,-0.32777945976004674,0.077757639609284932,0.64668018554872986,-0.024631779638323505,-0.68037239228457391) default_layer solid_curve_style small_curve_radius orange_red line3_base_curve_radius %39 %40 %8 %12 %40 defined (-0.25119257198860123,-0.69782852499771597,0,0,0,-0.67077391234100903) default_layer solid_curve_style small_curve_radius deep_sky_blue line3_base_curve_radius %41 %42 %12 %10 %42 defined (-0.098628102941594922,0.35060561134252877,0,0,0,0.93131530783364336) default_layer solid_curve_style small_curve_radius deep_sky_blue line3_base_curve_radius %43 %44 %8 %10 %44 defined (-0.2441911825300091,-0.031631032566480685,0,0,0,-0.96921109370114722) default_layer solid_curve_style small_curve_radius deep_sky_blue line3_base_curve_radius %45 %46 %24 %26 %28 %46 defined normal_surface_thickness solid_surface_style salmon sphere_point_style small_point_size tomato default_layer no_curve_style normal_curve_radius yellow subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %47 %48 %8 %10 %12 %48 defined normal_surface_thickness solid_surface_style sky_blue sphere_point_style small_point_size tomato default_layer no_curve_style normal_curve_radius yellow subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %52 %53 %16 %53 defined 14 Helvetica 0.176 0.606 O
black default_layer %54 %55 %24 %55 defined 14 Helvetica 0.000 0.000 A black default_layer %56 %57 %26 %57 defined 14 Helvetica 0.000 0.000 B black default_layer %58 %59 %28 %59 defined 14 Helvetica 0.000 0.000 C black default_layer %60 %61 %8 %61 defined 14 Helvetica 0.000 0.000 A' black default_layer %62 %63 %10 %63 defined 14 Helvetica 0.000 0.000 B' black default_layer %64 %65 %12 %65 defined 14 Helvetica 0.000 0.000 C' black default_layer %69 %70 %36 %44 %70 defined (15.095583718765397,-2.0136771049151814,0,1) sphere_point_style large_point_size red default_layer point3_base_point_size %71 %72 %34 %40 %72 defined (3.223530650166663,6.2848105501358571,0,1) sphere_point_style large_point_size red default_layer point3_base_point_size %73 %74 %38 %42 %74 defined (0.31677632914389875,8.316612860140248,0,1) sphere_point_style large_point_size red default_layer point3_base_point_size %75 %76 %70 %76 defined italic 14 Helvetica 0.000 0.000 R black default_layer %77 %78 %72 %78 defined italic 14 Helvetica 0.220 0.028 S black default_layer %79 %80 %74 %80 defined italic 14 Helvetica 0.236 -0.069 T black default_layer %81 19.000 1.500 3.500 18.000 %82 %82 Định l� Desargues
Nếu c�c đường thẳng nối c�c đỉnh tương ứng của hai tam gi�c đồng quy tại một điểm th� ba giao điểm tạo bởi c�c cặp cạnh tương ứng sẽ thẳng h�ng.
Định l� đảo cũng đ�ng.
