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5. Emily had a play yard for her daughter Grace. It was shaped like a quare and had an area of 100 square feet. What is the perimeter of the play yard A. 10 feet C. 30 feet B. 20 feet D. 40 feet

User Marc Sanny
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1 Answer

3 votes

Answer

Option D is correct.

Perimeter = 40 feet

Step-by-step explanation

Area of a square is given as

Area = L²

where

Area = 100 square feet

L = Length of the square = ?

Area = L²

100 = L²

Take the square root of both sides

10 = L

L = 10 feet

Perimeter of a square is given as

Perimeter = 4L

Perimeter = 4 (10)

Perimeter = 40 feet

Hope this Helps!!!

User Daniel Cukier
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5.4k points