est une pyramide de sommet dont la base est le parallélogramme
de centre . sont respectivement les milieux de ,
, et .
{"options": {"render": {"sprite_scale": 0.02, "label_fontsize": 240}, "size": {"width": 300, "height": 300}, "camera": {"starting_position": {"x": -100, "y": 100, "z": 500}}, "materials_options": {"surface": {"color": 6227124}, "solid_line": {"color": 6227124, "linewidth": 2}, "hidden_solid_line": {"color": 6227124, "linewidth": 2}}}, "data": {"Cone_1": {"position": {"x": 0.0, "y": -20.0, "z": 0.0}, "rotation": {"x": -1.57079632679, "y": 0.0, "z": 0.0, "order": "XYZ"}, "type": "GenericCone", "path": "Polygon_0", "apex": {"x": 0.0, "y": 0.0, "z": 30.0}}, "Polygon_0": {"type": "Path2D", "path": [{"moveTo": {"x": -15.0, "y": -15.0}}, {"lineTo": {"x": 15.0, "y": -15.0}}, {"lineTo": {"x": 15.0, "y": 15.0}}, {"lineTo": {"x": -15.0, "y": 15.0}}]}, "Point3D_A": {"type": "Point", "position": {"x": -15.0, "y": -20.00000000007345, "z": 15.0}}, "Label_for_Point3D_A": {"type": "Label", "position": {"x": -15.0, "y": -20.00000000007345, "z": 15.0}, "text": "A", "position_offset": {"x": -2.7712812921102032, "y": -2.7712812921237733, "z": 2.7712812920966337}}, "Point3D_B": {"type": "Point", "position": {"x": 15.0, "y": -20.00000000007345, "z": 15.0}}, "Label_for_Point3D_B": {"type": "Label", "position": {"x": 15.0, "y": -20.00000000007345, "z": 15.0}, "text": "B", "position_offset": {"x": 2.7712812921102032, "y": -2.7712812921237733, "z": 2.7712812920966337}}, "Point3D_C": {"type": "Point", "position": {"x": 15.0, "y": -19.99999999992655, "z": -15.0}}, "Label_for_Point3D_C": {"type": "Label", "position": {"x": 15.0, "y": -19.99999999992655, "z": -15.0}, "text": "C", "position_offset": {"x": 2.7712812921102032, "y": -2.7712812920966337, "z": -2.7712812921237733}}, "Point3D_D": {"type": "Point", "position": {"x": -15.0, "y": -19.99999999992655, "z": -15.0}}, "Label_for_Point3D_D": {"type": "Label", "position": {"x": -15.0, "y": -19.99999999992655, "z": -15.0}, "text": "D", "position_offset": {"x": -2.7712812921102032, "y": -2.7712812920966337, "z": -2.7712812921237733}}, "Point3D_S": {"type": "Point", "position": {"x": 0.0, "y": 10.0, "z": 1.4689766580440243e-10}}, "Label_for_Point3D_S": {"type": "Label", "position": {"x": 0.0, "y": 10.0, "z": 1.4689766580440243e-10}, "text": "S", "position_offset": {"x": 0.0, "y": 4.8, "z": 2.3503626528704388e-11}}, "Point3D_G": {"type": "Point", "position": {"x": 0.0, "y": -20.0, "z": 0.0}}, "Label_for_Point3D_G": {"type": "Label", "position": {"x": 0.0, "y": -20.0, "z": 0.0}, "text": "G", "position_offset": {"x": 4.8, "y": 0.0, "z": 0.0}}, "Segment3D_[AC]": {"type": "Segment", "pt1": {"x": -15.0, "y": -20.00000000007345, "z": 15.0}, "pt2": {"x": 15.0, "y": -19.99999999992655, "z": -15.0}, "label_render": {"visible": false}, "line_render": {"visible": true, "dashed": true}}, "Segment3D_[BD]": {"type": "Segment", "pt1": {"x": 15.0, "y": -20.00000000007345, "z": 15.0}, "pt2": {"x": -15.0, "y": -19.99999999992655, "z": -15.0}, "label_render": {"visible": false}, "line_render": {"visible": true, "dashed": true}}, "Point3D_I": {"type": "Point", "position": {"x": 0.0, "y": -20.0, "z": 15.0}}, "Label_for_Point3D_I": {"type": "Label", "position": {"x": 0.0, "y": -20.0, "z": 15.0}, "text": "I", "position_offset": {"x": 4.8, "y": 0.0, "z": 0.0}}, "Point3D_J": {"type": "Point", "position": {"x": 15.0, "y": -20.0, "z": 0.0}}, "Label_for_Point3D_J": {"type": "Label", "position": {"x": 15.0, "y": -20.0, "z": 0.0}, "text": "J", "position_offset": {"x": 4.8, "y": 0.0, "z": 0.0}}, "Point3D_K": {"type": "Point", "position": {"x": 0.0, "y": -20.0, "z": -15.0}}, "Label_for_Point3D_K": {"type": "Label", "position": {"x": 0.0, "y": -20.0, "z": -15.0}, "text": "K", "position_offset": {"x": 4.8, "y": 0.0, "z": 0.0}}, "Point3D_L": {"type": "Point", "position": {"x": -15.0, "y": -20.0, "z": 0.0}}, "Label_for_Point3D_L": {"type": "Label", "position": {"x": -15.0, "y": -20.0, "z": 0.0}, "text": "L", "position_offset": {"x": 4.8, "y": 0.0, "z": 0.0}}}}
Exprimer le vecteur en fonction d'un seul
autre vecteur contenant la lettre .
On donnera uniquement le vecteur correspondant.