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 my.hrw.com 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

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 my.hrw.com 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 dmwalsh.wordpress.com 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