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Solve the Problem $81 \pi$ Square Meters $8 \mathrm {~m}$ B) $9 \mathrm {~m}$

Question 104

Multiple Choice

Solve the problem.
-The area of a circle is $81 \pi$ square meters. Find its radius.

A) $8 \mathrm {~m}$
B) $9 \mathrm {~m}$
C) $18 \mathrm {~m}$
D) $40.5 \mathrm {~m}$

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