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The sides of a square are reduced by 2 inches. the new area is 20 square inches. Set up and solve an equation to find the original length of the square. USE THE SQUARE ROOT PROPERTY!!!!!
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The sides of a square are reduced by 2 inches. the new area is 20 square inches. Set up and solve an equation to find the original length of the square.

USE THE SQUARE ROOT PROPERTY!!!!!

User Surya Tej
by
6.6k points

1 Answer

3 votes

Answer:

Explanation:


(x - 2)^(2) = 20


x - 2 = \sqrt {20}


x - 2 = 2\sqrt {5}


x = 2 + 2\sqrt {5}


x = 6.47 inches (3sf)

User Jmfenoll
by
7.3k points
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