diameter of a circular Park is 24 M and 3 M wide path runs around it from inside find the cost of paving the path at 25 per square metre
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In this question we have to find radius first
radius = 24/2 = 12m
Area of circular park = πr^2
= 3.14 ×12 × 12
= 3.14×144
= 43.96m^2
Area of park with circular path = πr^2
= 3.14×12 + 3 × 12+3
= 3.14 × 15× 15
= 3.14 × 225
= 706.5m^2
Area of circular path = 706.5m^2 - 43.96m^2
= 661.54m^2
In this question we have to find radius first
radius = 24/2 = 12m
Area of circular park = πr^2
= 3.14 ×12 × 12
= 3.14×144
= 43.96m^2
Area of park with circular path = πr^2
= 3.14×12 + 3 × 12+3
= 3.14 × 15× 15
= 3.14 × 225
= 706.5m^2
Area of circular path = 706.5m^2 - 43.96m^2
= 661.54m^2
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