Question

the side of a triangle is equal to 8 cm, 15 cm and find its area

Answer 1

If in a right triangle,
area = 1/2 * b * h
1/2 *8 *15
= 4*15
= 60 cm²

Answer 2

If you are referring to a right angles triangle, the area is: 1/2 x base x height = 1/2 x 15 x 8                                  = 1/2 x 120                                  = 60cm sq