Question

The curved surface area of a right circular cylinder is 4.4m². If the radius of its base is 0.7m, find its height and volume.

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Answer 1

CSA of right circular cylinder = 4.4m^2

base of the cylinder = 0.7m

CSA of cylinder = 2πrh sq units

4.4m^2 = 2×22/7×0.7×h

4.4m^2=4.4×h

h= 4.4/4.4

h= 1 m

Volume of cylinder = πr^2h cubic meters

= 22/7×0.7×0.7×1 m^3

=1.54 m^3

height of cylinder = 1 meter .

volume of cyclinder = 1.54 metre cube .

Answer 2

Step-by-step explanation:

height of a cylinder - 1 mitre

volume of the cylinder - 1.54 metre cube