1.

3)1)A horse is tied to a post by a rope. If thehorse moves along a circular path, alwayskeeping the rope tight and describes 88meters when it traces the angle of 72 atthe centre, then the length of the rope is

Answer»

Length of arc =θ360×2πrθ360×2πr

72360×2×227×r=8872360×2×227×r=88

r=88×7×36072×2×22=70m

length of arc=8360×2x227xr=88; r=88×7×36072×2×22=70m



Discussion

No Comment Found