a circular pond has a 80 cm wide footpath along its edge a man walks around the auter edge of the footpath with 64 cm. long steps. in 300 steps, he makes a full round. what is the radius of the pond?
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Answer:
Circumference of outer edge is equal to 64 X 300= 19200
We know
Circumference = 2 πr
19200=2πr
r=19200×7/44
=3054.54
Radius of pond=radius of outer edge
=3054.54-80
=2974.54cm
=2974.54/100m
=29.7m
hope will be helpful ☺️
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