Form a circular sheet of radius 6cm,a circle of radius 4cm is removed. find the area of the remaining sheet ?
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Answer:
2cm radius
Step-by-step explanation:
6-4=2
ans=2
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Asked on November 22, 2019 by
Smarita Samota
From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet.(Take π=3.14)
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Radius of circular sheet(R)=4cm and radius of removed circle(r)=3cm
Area of remaining sheet=Area of circular sheet−Area of removed circle
=πR
2
−πr
2
=π(R
2
−r
2
)
=π(4
2
−3
2
)=π(16−9)
=3.14×7=21.98cm
2
Thus, the area of remaining sheet is 21.98cm
2
.
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