a circular park of radius 30m has a traxk of with 2.5m on its inner side. find the area of the track
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Area of outer circle= Pi r^2
= 3.14 X 30 X 30
= 2826 m^2
Area of inner circle= Pi r^2
= 3.14 X 27.5 X 27.5 ( radius= 30-2.5)
= 2365.205 m^ 2
Area of track = Area of Outer circle - Area of Inner circle
= 2826 - 2365.205
= 460.795 m^2
= 3.14 X 30 X 30
= 2826 m^2
Area of inner circle= Pi r^2
= 3.14 X 27.5 X 27.5 ( radius= 30-2.5)
= 2365.205 m^ 2
Area of track = Area of Outer circle - Area of Inner circle
= 2826 - 2365.205
= 460.795 m^2
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