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प्रश्न
Find the area of the following circle, given that diameter = 49 m.
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उत्तर
Here, diameter = 49 m
∴ Radius r = `49/2 m`
∴ Area of circle = πr2
= `22/7 xx (49/2)^2`
= `22/7 xx 49/2 xx 49/2`
= `3773/2`
= 1886.5 m2
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