2. What is the total surface area of a cylinder in terms of h, whose radius is one-third of its height?
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Answer:
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Answer:
8πh^2/9 sq unit
Step-by-step explanation:
height of the cylinder =h
radius =h/3
total surface area of the cylinder
=2*π*radius^2+2*π*radius*height
=2π(h/3)^2+2πh/3*h
=2π(h^2/9+h^2/3)sq unit
=2πh^2(1/9+1/3)
=2πh^2*4/9
=8πh^2/9
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