1. 𝐶𝐷𝐸 𝐶𝐷 𝐶𝐷 or 𝐷𝐶 𝐶𝐸 𝐶𝐷 𝐷𝐶 Postulate dmwalsh.wordpress.com
Line passing through points A and B F E G A X B
𝐶𝐷𝐸
Plane ABC C D E
Plane AB
Collinear points D, I, A, N, and E A B C D W
Postulate
Endpoint Q
Plane W m n L
Intersection of m and n
Line n P D A E I N S m F
Parallel
Coplanar points D.E. and F
Non-collinear points D, I, A, N , and E
Opposite rays 𝐸𝐹 and 𝐸𝐺
Point P 𝐶𝐷 C E m F D
Plane ABW
Point L
Non-coplanar points D.E. F, and S X E C
Intersectiion of 𝐶𝐸 and plane X
Solution to Puzzle: print one copy only for teacher key
Geometry
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No intersection D A E I N
Undefined
Line m D C m W
Intersection of line m and plane W Q R n
𝐶𝐷 or 𝐷𝐶
Axiom C D
Intersection of planes Q and R
Theorem 𝐶𝐸 𝐶𝐷 𝐷𝐶

2. 𝐶𝐷 𝐶𝐸 𝐶𝐷 𝐷𝐶 𝐶𝐷𝐸 𝐶𝐷 or 𝐷𝐶 Plane ABW Point L
Non-coplanar points D.E. F, and S X E C
Intersectiion of 𝐶𝐸 and plane X
Geometry
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No intersection D A E I N
Point P 𝐶𝐷 C E m F D
Line n P D A E I N S m F
Theorem 𝐶𝐸 𝐶𝐷 𝐷𝐶
Parallel
Coplanar points D.E. and F
Non-collinear points D, I, A, N , and E
Opposite rays 𝐸𝐹 and 𝐸𝐺
Undefined
Line m D C m W
Intersection of line m and plane W A X B
𝐶𝐷𝐸
Plane ABC C D E
Randomized Puzzle: this is the page to print for students
Postulate
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Line passing through points A and B F E G
Postulate
Endpoint Q
Plane W m n L Q R n
𝐶𝐷 or 𝐷𝐶
Axiom C D
Intersection of planes Q and R
Plane AB
Collinear points D, I, A, N, and E A B C D W
Intersection of m and n