Find curved surface area if circumference is 132cm and slanted length is 35cm
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Answer:
Let 'r' be the radius of the cylinder. Circumference=132cm
2πr=132cm
2×
7
22
×r=132cm
∴r=
2×22
132cm×7
∴r=21cm
Volume of a cylinder=πr
2
h=
7
22
×(21)
2
×25=
7
22
×21×21×25=34,650cm
3
.
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