(iii) 161 c Find the radius of a circle and its area if its circumference is (i) 176 cm (ii) 11 m ference if its area is
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Answer:
Given,
πr
2
=616
r
2
=
22
616×7
r
2
=28×7
r=14
Therefore, Circumference = 2πr=2×
7
22
×14=88 cm
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