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प्रश्न
Find the area and perimeter of the circle with the following :
Radius= 10.5 cm
उत्तर
Area of the drde = πr2
`= 22/7 xx 10.5 xx 10.5`
= 346.5 cm2
Peri meter of the circle = 2 π r
`= 2 xx 22/7 xx 10.5`
= 66 cm
Therefore, Area= 346.5 cm2 and Perimeter= 66 cm
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