From a sq polywood sheet of side 10dm to circular sheet of radius 3 dm and 4 dm Are cut out what is the Area of remaining sheet
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Answered by
1
ar.of sq.-ar. of cicle=ar. of remaining part
100-2x22(9+16)/7
100-78.6
21.4
100-2x22(9+16)/7
100-78.6
21.4
div234:
But from 9+16came
Answered by
6
Area of remaining sheet=Area of polywood sheet-Area of circle of 3dm-Area of circle of 4dm
area of Polywood sheet =side²=10×10=100dm²
area of circle of 3dm=πr²=π9dm²
are of circle of radius 4dm²
ATQ
100-π(9+16)=100-25×22/7=100-78.5=21.5dm²
area of Polywood sheet =side²=10×10=100dm²
area of circle of 3dm=πr²=π9dm²
are of circle of radius 4dm²
ATQ
100-π(9+16)=100-25×22/7=100-78.5=21.5dm²
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