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### Grade 8 - Mathematics Area of a Circle - 2

 Example: The circumference of a circle is 56.6 cm. Find its area. Solution: If r is the radius of a circle, we have Circumference (C) = 2pr Therefore, the area of the circle = p r2 A = p(C/2p)2 A = C2 / 4p Given that, C = 56.5cm. A = (56.5)2/4 * 7/22 A = 22345.75/ 88 A = 253.93 Sq. cm. Therefore, the area of he circle (A) = 253.93 Sq. cm. (Answer is corrected by two decimal place) Directions: Solve the following problems and correct the answer two decimal places. Also write at least ten examples of your own.

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