Question

Help trigonometry (angles of evaluation and depression)

Answer 1

x ≈ 745.5 ft

Explanation:

The angle at the lower right of the triangle is 28° ( alternate angle )

Using the sine ratio in the right triangle

sin28° =
`(opposite)/(hypotenuse)` =
`(350)/(x)`

Multiply both sides by x

x × sin28° = 350 ( divide both sides by sin28° )

x =
`(350)/(sin28)` ≈ 745.5 ft ( to the nearest tenth )