5. A right circular cylinder is 3 m high and the circumference of its base is 22 m. Find its curved
surface area.
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Answer:
formula of curved surface area=2X22/7XrXh
formula of circumference of circle=2X22/7Xr
a/q
base of cylinder's circumference =22m
to find radius
22=2X22/7Xr
7/2=radius
curved surface area of cylinder
2X22/7X7/2X3
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