EXERCISE 9.1

Find the value of $x$ in the following figure:

Find the value of $x$ in the following figure:

Find the value of $x$ in the following figure:

If $x=k°$ in the following figure, then find $k$.

Find the value of $x$ in the following figure (Write the numerical value of angle as an answer without degree symbol)

If one of the angles in a pair of supplementary angles is acute, then what kind of angle is the other?

If one angle of the linear pair is a right angle, then the measure of another angle is _____$°$.

If one angle of a linear pair is an obtuse angle, then what kind of angle is the other angle?  [Right Angle/Acute Angle]