What is the total surface area of a cylinder with radius ...
What is the total surface area of a cylinder with radius 2cm and height 1.5cm, correct to 2 significant figures?
440cm2
220cm2
88cm2
44cm2
22cm2
Correct answer is D
T.S.A of a cylinder = 2πr(r+h)
= 2×227×2(2+1.5)
= 44 cm2
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