Mensuration Practice Test 9

Question : 12 of 40

Marks: +1, -0

A solid right circular cylinder and a solid hemisphere stand on equal bases and have the same height. The ratio of their whole surface area is:

Solution:

Ratio of solid right
circular cylinder : Solid hemisphere
2π r (h + r):

3π r^2

Let r = 2 cm
h = 2 cm
2π (2) (2 + 2) :

3π(2)^2

4π (4): 3π (4)
4 : 3

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