Do not use a calculator in this question.
All lengths in this question are in centimetres.
The diagram shows triangle \(ABC\) with \(AC=\sqrt{21}-\sqrt2\), \(AB=\sqrt{21}+\sqrt2\) and \(\angle CAB=60^\circ\).
Find the exact length of \(BC\).[3]
Sign in to view the step-by-step solution
Need help? Join our JC Math tuition classes.
Learn more