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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
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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
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