If radius is7cm and height is 10cm of cylinder then find T. S. A and C. S. A
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T.S.A. = 2πr (r+h) = 2×(22/7)×7 (17) = 44× 17 = 748 sq. cm
C.S.A. = 2πrh = 2×7×10×(22/7) = 440 sq. cm
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T.S.A=2πr(h+r)
=2×(22/7)×7(10+7)
=44×17...........(7 and 7 is cutted with each other)
=748 sq.cm
C.S.A=2πr×r×h
=2×(22/7)×7×7×10
=44×70 ..............(same reason as above)
=3083 sq.cm
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