Question

An arc length is a fractional part of the

Answer 1

Answer:

Each of the 4 sectors have an area:

• πR²/8 - πr²/8, where
• R = 28/2 - 2 = 12 in
• r = 6/2 = 3 in

Find the area:

• A = π/8(12² - 3² ≈ 53 in²

Outer perimeter of the frame:

• P = d + πd/2 =28( 1 + π/2) ≈ 72 in