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What is the area (in sq cm) of a circle whose circumference is 22 cm?
$$2\pi r=22$$
$$2 \times \frac{22}{7} \times r=22$$
$$r=3.5cm$$
$$Area = \pi r^{2} = \frac{22}{7} \times 3.5 \times 3.5 = 38.5 cm^{2}$$
so the answer is option B.
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