Solve the problem.Given the area A of a circle, the formula r =   can be used to calculate the radius of the circle. Find the area when the radius is 9.4 cm.

A. A = 88.36 ?2  sq cm
B. A = 88.36? sq cm
C. A = 90.63? sq cm
D. A = 88.36 sq cm


Answer: B

Mathematics

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