find the curved surface area of two pillars if the height of the pillar is 7m and the radius of the base is 1.4m
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123.2cm^2
Step-by-step explanation:
C.S.A. of cylinder=2πrh
h=7m
r=1.4m
2x22/7x1.4x7
44x1.4
=61.6 x 2(we multiply it by 2 as we have to find out the C.S.A. of TWO pillars)
=123.2cm^2
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