Example:
The radius of a circle is 7.5 cm. Find its area. Solution: The area of a circle (A) = pr^{2}
= 22/7 * 7.5 * 7.5
= 1237.5 / 7
= 176.79 Sq. cm.(Answer is corrected by two decimal places) Directions: Solve the following problems and correct the answer at two decimal places. Also write at least ten examples of your own.