A horse is tied with a rope in the centre of a
square lawn of size 20 cm. If the length of rope is
7 cm. Find the area of the lawn which the horse
can graze. Also, find the ungrazed area of the
lawn.
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Answer:
Given,
Length of the rope=7cm
Length of the side of the square lawn=20cm
To find the area grazed by the horse
Area=pi×r^2
=22/7×7×7
=154cm^2
To find the area not grazed by the horse
Area=Total area of the lawn - Area grazed by the horse
=20×20-154
=400-154
=246cm^2
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