Question

Find the area of the sector of the circle.

Answer 1

D

Explanation:

the area (A) of the sector is calculated as

A = area of circle × fraction of circle

= πr² ×
`((5\pi )/(8) )/(2\pi )`

= π × 12.8² × (
`(5)/(8)` ÷ 2)

= π × 163.84 ×
`(5)/(16)`

≈ 160.8 cm² ( to the nearest tenth )