please ans fast only 8 one
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Curved surface area of cylinder = 2*pi *r*h
= 2*22/7*8*42
=2*22*8*6
=2112cm^2.
Total Surface area of cylinder = 2*pi*r(r+h)
=2*22/7*8(8+42)
=2*22/7*8*50
=2514. 28cm^2. It's solved.
= 2*22/7*8*42
=2*22*8*6
=2112cm^2.
Total Surface area of cylinder = 2*pi*r(r+h)
=2*22/7*8(8+42)
=2*22/7*8*50
=2514. 28cm^2. It's solved.
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