Question

The circumference of the base of a cylinder is 176m and its height is 65cm. Find its lateral surface area.

Answer 1

circumference = 176 m
2×22/7×r=176
2×22×r=176×7
44×r=1232
r=1232/44=28 m or 2800cm
Lateral surface area of cylinder=2 pie r×h
=2×22/7×2800×65
=1144000 cm Sq.
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