Practice!

Sample Problem

Find the area of the quarter-circle below.  Use 3.14 for π and round the answer to the nearest hundredth.

The area of the quarter-circle is  cm2

Solution

The area of the circle is:

3.14 × 13 × 13 = 530.66 cm2

So  of the area of the circle is (Correct to 2 decimal places) :

530.66 ÷ 4 = 132.67 cm2