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Difficulty: 4 of 5 Latest: 3D geometry
PABCDE is a pyramid with ABCDE a convex pentagon. A plane meets the edges PA, PB, PC, PD, PE in points A', B', C', D', E' distinct from A, B, C, D, E and P. For each of the quadrilaterals ABB'A', BCC'B, CDD'C', DEE'D', EAA'E' take the intersection of the diagonals. Show that the five intersections are coplanar.
(No Solution Yet, 0 Comments) Submitted on 2021-01-22 by Danish Ahmed Khan   
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