A construction worker needs to put a rectangular window in the side of a building. He knows from measuring that the top and bottom of the window have a width of 5 feet and the sides have a length of 12 feet. He also measured one diagonal to be 13 feet. What is the length of the other diagonal?

A. 17 feet
B. 12 feet
C. 5 feet
D. 13 feet

Question

A construction worker needs to put a rectangular window in the side of a building. He knows from measuring that the top and bottom of the window have a width of 5 feet and the sides have a length of 12 feet. He also measured one diagonal to be 13 feet. What is the length of the other diagonal?

 		A.	17 feet
 		B.	12 feet
 		C.	5 feet
 		D.	13 feet

mathstudent55 · Answer

This is what the worker did so far.
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mathstudent55 · Answer

Now he needs the length of the other diagonal.
|dw:1467048802362:dw|

mathstudent55 · Answer

Can you guess the relation between the lengths of the diagonals of a rectangle by looking at the figure above?

princeharryyy · Answer

In a rectangle length of both the diagonals are equal.