Question

Use the triangle to answer the question.Find the value of x. Round to the nearest degree.

Answer 1

Given:

base = 16

hypotenus = 21

$\cos \theta=\frac{base}{hypotenus}$

Angle = x

$\begin{gathered} \cos x=\frac{16}{21} \\ \cos x=0.76 \\ x=\cos ^{-1}(0.76) \\ x\approx40 \end{gathered}$

The value of x is 40 degree.