An isosceles triangle has 2 equivalent sides. The perimeter of an isosceles triangle is 84 centimeters. The measure of one of th
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<h2>Greetings!</h2><h3>Answer: 10 1/2 feet</h3><h3>Explanation:</h3>
feet</h3>
<h2>Hope this helps!</h2>
As the room is a rectangle, to find the area you simply multiply the length and width together.
L x W = A
As in the question stated you have the area and length:
12.5 x W = 131
To find the width you can simply divide the area by the length:
131 ÷ 12.5 = 10.48 ≅ 10.5 = 10
<h2>Hope this helps!</h2>