Cylinder with conical and hemispherical cavities

Cylinder with conical and hemispherical cavities

Secondary 2
4 marks
TGM Original Questions

Core stretch

A cylinder has radius 4 cm and height 15 cm. A conical cavity of radius 4 cm and height 6 cm is removed from its base, and a hemispherical cavity of radius 4 cm from its top. Using \(\pi=3.142\), find

  1. remaining volume,[2]
  2. total exposed surface area.[2]

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:(a) \(519.48\text{ cm}^3\) (b) \(568.21\text{ cm}^2\).

Need help? Join our E-Maths tuition for O-Level success.

Learn more