Question

The circumference of a circle is 39.6cm. Find its area.
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Answer 1

Answer:

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Answer 2

Answer:

circumference of a circle = 2*22/7*r

39.6=44/7 * r

(39.6 *7) / 44 = r

6.3 = r

now

area = 22/7 * 6.3 * 6.3

= 22/7 * 39.69

= 22 * 5.67

= 124.74 cm sq

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