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 9 feet and the sides have a length of 12 feet. He also measured one diagonal to be 15 feet. What is the length of the other diagonal?

Answer 1

Answer: 15 feet

Step-by-step explanation:

Answer 2

The length of other diagonal is 15 feet.

What are properties of diagonal of rectangle?

Both diagonals bisect opposite angles of the quadrilateral. Both diagonals form symmetry lines for the quadrilateral. The diagonals divide the quadrilateral into four congruent right triangles. The intersection point of the diagonals is the incenter of the quadrilateral

Given:

width= 9 feet

length= 12 feet

Diagonal length = 15 feet

We know the diagonals of a rectangle are equal and bisect each other.

So,

The length of other diagonal is 15 feet.

Learn more about this diagonal here:

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