Question

Find the area of each triangle. Round to the nearest tenth.

Answer 1

A ≈ 9.6 units²

Explanation:

the area (A) of the triangle is calculated as

A = product of 2 sides × sin (angle between them ) , that is

A = 3 × 5 × sin40° = 15 × sin40° ≈ 9.6 units² ( to the nearest tenth )