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प्रश्न
Lalitha wants to buy a round carpet of radius is 63 cm for her hall. Find the area that will be covered by the carpet
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उत्तर
Radius of the round carpet = 63 cm
Area covered by the round carpet = πr2 sq.units
A = `22/7 xx 63 xx 63`
= 22 × 9 × 63
= 12474 cm2
Area covered by the round carpet = 12,474 cm2
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