a horse was tried to a pole by a rope. the horse moved around the pole keeping the rope tight . two friends sahil and soham watched this and then sahil said thay the path about which the hourse moved was circular.
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Answer:
length of the rope in tight position. Suppose the horse moves along the arc AB so that ∠APB=72
0
and arc AB=88m
Let r be the length of the slope i.e PA=rmeters
Now θ=72
0
=(72×
180
π
)=
5
2π
and S=88
∴θ=
radius
arc
⇒
5
2π
=
r
88
⇒r=
2π
88×5
=70
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