Question

What is the measure

Answer 1

`m\angle CAB\text{ = 36.87}`

Here, we want to get the measure of the angle marked A

We are going to use the sides given

The trigonometric ratio that links the adjacent to the hypotenuse is the cosine

The cosine is the ratio of the adjacent to the hypotenuse

Mathematically;

`\begin{gathered} \cos \text{ m}\angle CAB\text{ = }(12)/(15) \\ \\ m\angle CAB\text{ = }\cos ^(-1)((12)/(15)) \\ \\ m\angle CAB\text{ = 36.87} \end{gathered}`