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Find the circumference of circle whose area is 154 |
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Answer» Area of circle = πr^2 = 154cm^2r = 7cm (π=22/7)Circumference of circle = 2πr = 2 × 22/7 × 7 = 44 cm ? Totally right ans. Circumferemce = 2πr = 2 × 22/7 × 7 = 44 Implies r = 7 r² = 49 r² = 154 ×7/22 πr² = 154 Area = 154 |
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