#4$
Find the value of x and round answer to nearest tenth.

Step-by-step explanation:

From the given right angle triangle,

The hypotenuse of the right angle triangle is the unknown side

With m∠40 as the reference angle,

The adjacent side of the right angle triangle is 20.

The opposite side of the right angle triangle is x.

To determine x, we would apply

the tangent trigonometric ratio. It is expressed as

Tan θ = opposite side/adjacent side. Therefore,

Tan 40 = x/20

x = 20Tan 40 = 20 × 0.839

x = 16.8 to the nearest tenth.

justin bieber ml.