from a circular sheet of radius3cm is removed.find the area of a remaining sheet.
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Answered by
5
Answer:
The area of the circular sheet with 4cm radius is,
A=πr2
=16π
The area of the circular sheet with 3cm radius is,
A=πr2
=9π
Since the circle with radius 3cm is removed, then the remaining area is,
A=16π−9π
=7π
=7×3.14
=21.98cm2
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Answered by
1
Answer:
area=22/7(R+3)(R-3)
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