13. A circular pond has a 90cm wide footpath along the edge. A man walks around the outer edge of the footpath with 66cm long steps. In 400 steps, he makes a full round. What is the radius of the pond?
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Answer:
4110cm is the correct answer
Step-by-step explanation:
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- Man's step = 66cm long
- No. of step= 400cm
Therefore,Total Distance Travelled
We Know That,
Circumference =
Now,
The path(foothpath is also there)
ie 90 cm
So,the radius of pond=
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