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The area of acicle is 28 square meters What is its circumference?
Wiki User
∙ 8y ago
the formula for the area of a circle is (pi)r2
(pi)r2=28m 28/pi = 28/pi
r2 = 28/pi
r= (28/pi)1/2
the formula for circumference is c=2(pi)r c = 2(pi)(28/pi)1/2
c = 18.7578884...m
Wiki User
∙ 8y ago
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