Multiple choice

A goat is tied to one corner of a square plot of side 12m by a rope 7m long. Find the area it can graze?

  1. 38.5 sq.m

  2. 155 sq.m

  3. 144 sq.m

  4. 19.25 sq.m
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A Correct answer
Explanation

The goat can graze in 3/4 of a circle of radius 7m (quarter blocked by square corner). Area = (3/4) × π × 7^2 = (3/4) × (22/7) × 49 = (3/4) × 22 × 7 = 115.5/3 = 38.5 sq.m

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