Question

A construction worker needs to put a rectangular window in the side of abuilding. He knows from measuring that the top and bottom of the windowhave a width of 9 feet and the sides have a length of 12 feet. He alsomeasured one diagonal to be 15 feet. What is the length of the otherdiagonal?A. 12 feetB. 15 feetC. 21 feetD. 9 feet

Answer 1

The Solution.

Representing the problem in a diagram, we have

The rectangular window has two diagonals, and both diagonals are equal in length. If the length of one of them is 15 feet (as stated in theHence, the length of the