Q. Find the angle whose supplement is four times its complement.

Q. Find the angle which is five times its supplement.

Q. Find the measure of an angle which is ${36}^{\circ }$ more than its complement.

Q. Find the measure of an angle which is ${30}^{\circ }$ less than its supplement.

Q. Find the complement of each of the following angle: ${55}^{\circ }$.

Q. Two complementary angles are in the ratio $4:5$. Find the angles.

Q. Find the value of $$x$$ for which the angles $${(2x-5)}^{o}$$ and $${(x-10)}^{o}$$ are the complementary angles.

Q. Find the supplement of the following angle:
$${124}^{o}$$

Q. Define the following term:
Obtuse angle

Q. Define the following term:
Interior of an angle.

Q. Define the following term:
Reflex angle

Q. Define the following term:
Angle

Q. Find the angle whose complement is one third of its supplement.

Q. Find the supplement of the following angle:
${90}^o$.

Q. Define the following term:
Supplementary angles

Q. Find the supplement of the following angle:
${42}^o$

Q. Find the supplement of the following angle:
$\frac{3}{5}$ of a right angle

Q. Find the measure of an angle that is equal to its supplement.

Q. In the adjoining figure AOB is a straight line. Find the value of x.

Q. In the figure, $AOB$ is a straight line, Find the value of $x$. Hence, find $\angle AOC$ and $\angle BOD$.