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| 1. |
Find the radius of a circle and its area of its circumference is 16 īī cm |
| Answer» ERENCE = 16π cm Also, Circumference = 2πr => Circumference = 16π cm => 2πr = 16π => 2 × π × r = 16 × π Cancelling π from both SIDES,=> 2r = 16 => r = 16/2 => Radius = 8cm AREA of circle = πr² Radius = 8cm => Area = πr² => Area = π × (8)² => Area = π × 64 => Area = 64π | |