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Find the Circumference of a Circle Given its Area.

See Other Circle Word Problem Examples solved by the Algebra Word Problem Solver.

What You Enter

Determine the circumference of a circle whose radius is 4.

What You Get
	Find CIRCUMFERENCE
	Let C=CIRCUMFERENCE
	Let R=RADIUS
	Given R=4
	Formula C=2π R

	C=2π R                 //  Circumference Formula

	C=2*4π                 //  Substitute 4 for Radius
Solution: C=8π

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