In the diagram, angle $ABC=35{}^\circ $, angle $CAB=62{}^\circ $ and length of $BC=21$ cm. Cal

Question

In the diagram, angle $ABC=35{}^\circ $, angle $CAB=62{}^\circ $ and length of $BC=21$ cm. Calculate the length of $AC$, the area of triangle $ABC$.

Accepted Answer

(i) $13.6\text{ cm}$ (ii) $142\text{ cm}^2$

Applying Sine Rule When Given 2 Angles and 1 Side