find the area of a circular path 2 metre wide surrounding a circular path of radius 20 m
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Radius of outer circular path is 20+2 = 22
Radius of inner circle is 20 m
Area of circular path =pie(R-r)(R+r)
Then,
22/7(22-20)(22+20)
=>22/7multiplied with 84
=>12x22 = 264m is the area
Radius of inner circle is 20 m
Area of circular path =pie(R-r)(R+r)
Then,
22/7(22-20)(22+20)
=>22/7multiplied with 84
=>12x22 = 264m is the area
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