Question

A circular flower bed is 16 m in diameter and has a circular sidewalk around it that is 4 m wide. Find the area of the sidewalk in square meters. Use 3.14 for .

Answer 1

Explanation:

radius of bed = 8 m

area of bed = 64π m²

radius of bed and sidewalk = 8+4 = 12 m

area of bed and sidewalk = 144π m²

area of sidewalk = 144π - 64π = 80π ≈ 251.2 m²