Question

Given that
x
= 7.9 m and
θ
= 54°, work out AB rounded to 3 SF.

Answer 1

6.39 m

Explanation:

( for a right triangle such as this)

Sin (theta) = opp leg / hypotenuse = AB / x

sin (54) = AB / 7.9

7.9 * sin 54 = AB = 6.39 m