from a curclular sheet of radis 3 c.m is removed.find the area of the remaining sheet
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The area of the circular sheet with 4cm radius is,
A=πr^2=16π
The area of the circular sheet with 3cm radius is,
A=πr^2
=9π
Since the circle with radius 3cm is removed, then the remaining area is,
A=16π−9π
=7π
=7×3.14
=21.98cm^2
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Find the area of the remaining sheet. (Take π = 3.14) Thus, the area of the remaining sheet is 21.98 cm2.
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