Question

If the sides that form the right angle of a triangle are 13.5 cm and 4.2 cm long, find the area of the triangle.

Answer 1

Answer:

28.35

Step-by-step explanation:

i used trigonometry  

area of triangle = 1/2 ab sin (angle)

= 1/2 * 4.2 * 13.5 * sin 90

= 28.35 cm^2