The area of a circle is …
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Yogita Ingle 5 years, 3 months ago
Area of circle = πr2
154 = 22/7 × r2
r2 = 154 × 7/22
r2 = 7 × 7
r = 7
Circumference = 2 πr
= 2 × 22/7 × 7
= 2 × 22
44 cm
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