hey friends don't see the tick it's not the correct answer actually I don't know the correct answer please send me the full solution.
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the total distance covered by the man is 66cm× 400 = 26400cm = 264m
therefore the outer circumference is 264m.
let the radius of pond be x. now the radius of pond + path around it will be (x + 90)cm
2π(x+90)=26400
x = (13200/π) - 90
on putting π = 22/7
x = 4200-90=4110cm
therefore the radius of the pond is 41.1m
therefore the outer circumference is 264m.
let the radius of pond be x. now the radius of pond + path around it will be (x + 90)cm
2π(x+90)=26400
x = (13200/π) - 90
on putting π = 22/7
x = 4200-90=4110cm
therefore the radius of the pond is 41.1m
ask16:
you are in which class
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