Question

Find the missing side a if Angle B =39 and side b=6Round your answer to the nearest hundredth if necessary.

Answer 1

The triangle ABC is right angle triangle.

Determine the side a by using trigonometry.

`\begin{gathered} \tan B=(b)/(a) \\ \tan 39=(6)/(a) \\ a\approx(6)/(0.81) \\ \approx7.41 \end{gathered}`

So length of missing side a is 7.41.