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Question

Calculate the surface area(in cm2) of a solid cylinder with diameter 14 cm and height 10 cm. (π=227)
520149_dcdf41143f1d4726bdd2e241bef53d29.png

Solution
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S.A.=2πr2+2πrh
=2πr(r+h)
=2×227×7(7+10)
=44×17
=748 cm2

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