Question

With method please !!!!!!

Answer 1

Explanation:

Angle ACB = 180° - 72° - 59° = 49°.

(Sum of angles in a triangle = 180°)

Now by Sine Rule,

Area of Triangle

= 0.5(CA)(CB)sin(Angle ACB)

= 0.5(7cm)(12cm)sin49°

= 31.7cm². (1d.p.)