andrewbrodzinski2026
andrewbrodzinski2026 andrewbrodzinski2026
  • 30-04-2021
  • Mathematics
contestada

A circular flower bed is 23m in diameter and has a circular sidewalk around it that is 3m wide. Find the area of the sidewalk in square meters. Use 3.14 for pi.

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dezignsquad1
dezignsquad1 dezignsquad1
  • 30-04-2021

given the diameter of the circular flower bed is 23m.

therefore radius of the flower bed=23/2

=11.5m

area of the flower bed=πr²

=3.14×10×10

=314m²

if the path is all around the flower bed and it's width is 3m, then the radius of the flower bed along with the path will be = 10+3

=13m

therefore it's area=πr²

=3.14×13×13

= 530.66m²

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