The diameter of a right circular cyclinder is 38cm and its length is 28cm .find its volume,lateral surface and total surface
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Answer:
diameter = 38cm
radius = 38/2 = 19cm
height = 28cm
lateral surface area = 2πrh
= 2×22/7×19×28
= 3344cm²
total surface area = 2πr(r+h)
= 2×22/7×19(19+28)
= 836/7×47
=119.42×47
=5612.74 cm²
volume = πr²h
= 22/7×19²×28
= 88×361
= 31768cm³
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