Question

A → 1 form 1 point Which trig function should Sharlot use to find the measure of angle B ? B. cosine 2. pythagorean theorem sine tangent 2 5 A high ris apartment is on fire

Answer 1

Let's make a diagram to visualize the problem

To find the angle, we use the cosine function

$\begin{gathered} \cos \theta=\frac{15}{28} \\ \theta=\cos ^{-1}(\frac{15}{28})\approx57.6 \end{gathered}$

Hence, the angle is 57.6°.