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प्रश्न
Four equal circles, each of radius 5 cm, touch each other as shown in the figure. Find the area included between them. (Take π= 3.14)
बेरीज
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उत्तर
Required area = Area of square ABCD - Area of 4 quadrants
Required area = ( 10 cm x 10 cm ) - `1/4` πr2
Required area = 100 - `= 1/4xx22/7xx5xx5`
Required area = 100 - 78.57 cm2
Required area = 21.43 cm2
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Circle - Direct Application Problems Including Inner and Outer Area
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