Question

Find the measure of Zr. (The figure may not be drawn to scale.)

Answer 1

Step 1 :

In this question, we are meant to find the measure of < r.

We have that :

`\begin{gathered} 90^{0\text{ }}+r+52^{0\text{ }}=180^0\text{ ( Sum of angles in a straight line )} \\ 142^{0\text{ }}+r=180^0 \\ r=180^{0\text{ }}-142^0 \\ r=38^{0\text{ }}\text{ ---OPTION B} \end{gathered}`