Curved surface of a 14m high pillar is to be white washed. if radius of its base is 7m, find area to be whitewashed
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CSA = 2πrh
= 2 x 22/7 x 7 x 14
= 44 x 14
= 616 m²
SO, AREA TO BE WHITEWASHED IS 616m².
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Answered by
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Answer:
Given
h = 14 m,
r = 7 m.
C.S.A of cylinder = 2 *22/7*r*h
= 2*22/7*7*14
= 44*14
= 616 m. sq.
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