The volume and curved surface area of cylinder is 2310cm3 and 660cm2 respectively. Find Its radius and height.
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Answer:
It is given volume of a cylinder =1650cm
πr
2
h=1650 ...(1)
It is given that curved surface area of cyliner =600cm
2πrh=660cm ...(2)
On solving (1) & (2)
2
r
=
660
1650
r=
330
1650
r=5cm
Substitute r=5 in (2), we get
2πrh=660
2.
7
22
×5×h=660
2×22×5×h=660×7
22×h=4620
h=
220
4620
h=21cm
∴ radius of cylinder =5cm
Height of the cylinder =21cm
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