Chelsea is designing a window with different-shaped pieces of glass. The shapes she is using are listed below. Hexagons
Rectangles
Squares
Trapezoids

Which of the shapes she is using can also be classified as a quadrilateral?

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

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