Question

(DOK 2)
Find the area of each triangle. Round to the nearest tenth.
5
40°
3

Answer 1

D

Explanation:

The area (A) of the triangle is calculated as

A =
`(1)/(2)` ab sinC ( a, b are the sides and C the angle between them ) , then

A =
`(1)/(2)` × 5 × 3 × sin40° = 7.5 × sin40° ≈ 4.8 units² ( to nearest tenth )

Answer 2

4.82
hope this helped <3