Question

The measure of is blank degrees.The solution is ________

Answer 1

The angles are on a straight line.

Sum of angles on a straight line = 180 degrees

So

`\begin{gathered} 50^o+\text{HKI}+42^o=180^o \\ \text{HKI}+92=180 \\ \text{HKI}=180-92 \\ \text{HKI}=88^o \end{gathered}`