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Question

Curved surface area and circumference of the base of a solid right circular cylinder are 4400 sq. cm and 110 cm respectively. Find its height and diameter.

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Solution

It is given that C.S.A. of the cylinder =4400 sq. cm.
We know that C.S.A of a right circular Cylinder =2π×r×h
2πrh=4400
(110)h=4400
h=4400110
=40 cm
Height =40 cm
Circumference of the base of the cylinder is 110 cm
2πr=110
2×227×r=110
r=352
r=17.5 cm
Diameter 2r=2(352)=35 cm

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