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प्रश्न
Find the area grazed by a horse tied with a 11. 2 m rope to a corner of a field measuring 25m by 15 m.
उत्तर
Area grazed by the horse = `(pi "r"^2)/4`
`= (22/7 xx 11.2 xx 11.2)/4`
`= 394.24 / 4`
= 98.56
Area grazed by the horse = 98.56 m2
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