Two concentric circles are of radius 7cm and 5cm.find the area of the portion between two circles.
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bigger circle has Radius
smaller circle has radius
Radius=7cm
radius =5cm
area of portion between two circles =pie x Radius square - pie x radius square
22/7x7x7- 22/7 x 5x5
=154-78.57
=75.43cm (approximately)
smaller circle has radius
Radius=7cm
radius =5cm
area of portion between two circles =pie x Radius square - pie x radius square
22/7x7x7- 22/7 x 5x5
=154-78.57
=75.43cm (approximately)
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1
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