A circular flower bed is 22 m in diameter and has a circular sidewalk around it that is 3 m wide. Find the area of the sidewalk in square meters. Use 3.14 for pi.
Answers
Answer:
The area of the sidewalk is 235.715 m².
Step-by-step explanation:
Given, Diameter of the circular flower bed = 22 m
Therefore, Radius = Diameter / 2 = 22 / 2 = 11 m
Hence, Area of the flower bed = 22/7 × 11²
= 22/7 × 121
= 380.285 m²
Given diameter of the bigger circle = 22+3+3 = 28
Therefore, Radius = Diameter / 2 = 28 / 2 = 14
Hence, Area of the bigger circle = 22/7 × 14²
= 22/7 × 14 × 14
= 22 × 2 × 14
= 616 m²
Area of sidewalk = area of bigger circle - area of flower bed = 616-380.285 = 235.715 m²(answer).
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