Question

What is the area of the sector formed by RAP? The radius is 10 inches.

Answer 1

≈ 39.3 in²

Explanation:

The area of the sector is calculated as

A = area of circle × fraction of circle

= πr² ×
`(45)/(360)`

= π × 10² ×
`(1)/(8)`

=
`(100\pi )/(8)` ≈ 39.3 in² ( to 1 dec. place )