Rectangle abcd is reflected over the x axis to form rectangle A'B'C'D'. what is the length of side A'D'? Please explain your answer so I know how to do it and can learn.

The reflexive property of congruence lets you say that ∠pqr ≅

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?