Question

What is the exact answer in simplest form?

Answer 1

Answer:

$\frac{\pi }{4}$ inches

Step-by-step explanation:

The arc length is calculated as

arc = circumference of circle × fraction of circle

     = 2πr × $\frac{45}{360}$

     = 2π × 1 × $\frac{1}{8}$ = $\frac{2\pi }{8}$ = $\frac{\pi }{4}$ inches