Cylinder with a hemispherical top

Cylinder with a hemispherical top

Secondary 2
TGM Original Questions

A solid consists of a cylinder of radius 4 cm and height 18 cm with a hemispherical top. Using \(\pi=3.142\), find

  1. its volume to the nearest cubic centimetre,
  2. the cost of painting only the hemisphere at $1.25 per square centimetre,
  3. the area of each flat face, to the nearest square centimetre, when the solid is cut vertically through its axis.

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) \(1039\text{ cm}^3\); (b) \(\$125.68\); (c) \(169\text{ cm}^2\).

Need help? Join our JC Math tuition classes.

Learn more