Answer:
47.1 m²
Explanation:
Finding the area of sidewalk:
To find the area of sidewalk, we need to subtract the area of the swimming pool form the area of outer circle.
Area of outer circle:
diameter of circular swimming pool = 14 m
width of the sidewalk = 1 meter
diameter of the outer circle = 14 + 2 = 16m
radius of outer circle = 16 ÷2
r₁ = 8 m

Area of outer circle = 3.14 * 8 * 8
= 200.96 m²
Area of circular swimming pool:
Diameter of swimming pool = 14 m
radius = r = 14 ÷ 2
r = 7 m
Area of swimming pool = 3.14 * 7 * 7
= 153.86 m²
Area of sidewalk:
Area of the sidewalk = 200.96 - 153.86
= 47.10 m²
Answer: 47.1 m²