Question

What is the exact answer in simplest form?

Answer 1

`(\pi )/(4)` inches

Explanation:

The arc length is calculated as

arc = circumference of circle × fraction of circle

= 2πr ×
`(45)/(360)`

= 2π × 1 ×
`(1)/(8)` =
`(2\pi )/(8)` =
`(\pi )/(4)` inches