Question

In rectangle WXYZ , the diagonals intersect at point A, ZA=2.5b , and WY=36 .

What is the value of b?

Enter your answer as a decimal in the box.

Answer 1

7.2

Explanation:

All rectangles are parallelograms, so since diagonals of a parallelogram bisect each other, XZ = 5b.

Also, diagonals of a rectangle are congruent, so 5b = 36, and thus b = 7.2