Question

Find the perimeter of a sector whose radius is 4 unit and arc length is 16π​

Answer 1

perimeter ≈ 58.3 units

Explanation:

the perimeter of the sector includes 2 radii and the arc

perimeter = 4 + 4 + 16π = 8 + 16π ≈ 58.3 ( to 1 decimal place )