Mensuration Practice Test 5

Question : 19 of 40

Marks: +1, -0

What is the height of a solid cylinder of radius 5 cm and total surface area is 660 cm2?

Solution:

Total surface area of the solid cylinder
= 2π r(h + r)
r = 5 cm
= 2π r (h + r) = 660
= 2π .5(h + 5) = 660
= (h + 5) =

{600}/{10} × 7/{22}

= h + 5 = 21
= h = 16 cm

Go to Question:

Prev Question

Next Question