Question

Find the length of r

Answer 1

A) 13.2

Explanation:

`\cos(\theta)=\displaystyle \frac{\text{Adjacent}}{\text{Hypotenuse}}\\\\\cos(63^\circ)=(r)/(29)\\\\r=29\cos(63^\circ)\\\\r\approx13.2`

Make sure to reference SOHCAHTOA when deciding on what trigonometric ratio to use.