The area of the circle whose circumference is 22cm is _______
A) 49 cm
2 B) 154 cm
2 C) 77 cm
2 D) 145 cm
2
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Answered by
2
Answer:
154
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Answered by
2
Answer:
The circumference is (pi)*D, where D is the diameter of the circle . The area of the circle is (pi)*D^2/4. Here (pi)*D = (22/7)D = 22, therefore D = 7 cm.
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