Question

Find the area of the triangle to the nearest tenth.

O
65
7.4 cm
5.8 cm
The area of the triangle is approximately
| cm?

Answer 1

19.4 cm²

Explanation:

The relevant formula for the area of the triangle is ...

Area = 1/2ab·sin(C) . . . . C is the angle between sides 'a' and 'b'

Area = 1/2(7.4 cm)(5.8 cm)sin(65°) ≈ 19.4 cm²