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Question

The perimeter of a square with side length x units is equal to the circumference of a circle with radius 2 units. What is the value of x? Express your answer as a decimal to the nearest hundredth.

Accepted Answer

The perimeter of a square with side length x units is 4x units. The circumference of a circle with radius 2 units is 2 (radius)=2(2)=4 units. Setting 4x=4, we find x=. To two decimal places, =3.14.