Here is a parallelogram with its diagonals shown. Say whether the following statements are true or false.
a) The diagonals are equal in length.
b) The diagonals bisect each other.
c) The diagonals are lines of symmetry.

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap