Mensuration of Concentric Circular Regions

Mensuration of Concentric Circular Regions

Secondary 3

The diagram shows a right-angled triangle \(OPQ\).
An arc of a circle with centre \(O\) and radius \(OP\) cuts \(OQ\).
Given that \(\angle POQ=0.84\) radians and \(OP=6\) cm, calculate

  1. the length of \(PQ\).
  2. the area of the shaded region.

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs a course plan.

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:(i) \(6.69\text{ cm}\) (ii) \(4.96\text{ cm}^2\)

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

Learn more