Question

The diagram shows a sector of a circle radius 10 cm.

Find the area of the sector, giving your answer correct to 1 decimal place.

Answer 1

`117.8cm ^(2)`

Explanation:

`a = {r}^(2) \theta \: / 2 \\ = 100 * 135 / 2 \\ = 117.8 \: {cm}^(2)`