A tetrahedron has vertices ABCD. Suppose that the plane y bisects the (internal) dihedral angle along edge AB and meets edge CD at G. Prove that CG (АВС) (ABD) %3D GD Notation: (ABC) denotes the area of triangle ABC.

A tetrahedron has vertices ABCD. Suppose that the plane y bisects the (internal) dihedral angle along edge AB and meets edge CD at G. Prove that CG (АВС) (ABD) %3D GD Notation: (ABC) denotes the area of triangle ABC.

Name: A tetrahedron has vertices ABCD. Suppose that the plane y bisects the
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Description: A tetrahedron has vertices ABCD. Suppose that the plane y bisects the(internal) dihedral angle along edge AB and meets edge CD at G. Provethat(ABC)(ABD)CGGDNotation: (ABC) denotes the area of triangle ABC.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.4: Polyhedrons And Spheres

Problem 1E: Which of these two polyhedrons is concave? Note that the interior dihedral angle formed by the...

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