Draw an acute angle and construct another angle such that its value is twice the value of the previously constructed acute angle.

Draw two line segments $a$ and $b$ in your notebook. Construct line segments according to the given information.

$a+b$

Draw two line segments $a$ and $b$ in your notebook. Construct line segments according to the given information.

$b-a$

Draw two line segments $a$ and $b$ in your notebook. Construct line segments according to the given information.

$2b+a$

Draw two line segments $a$ and $b$ in your notebook. Construct line segments according to the given information.

$3a-b$

With the help of a protractor and a ruler draw the following angles:

$15°, 45°, 105° \& 75°$

Two angles $X$ (obtuse angle) and $Y$ (acute angle) are given. Draw the angles having the following measure.

$X°-Y°$

Two angles $X$ (obtuse angle) and $Y$ (acute angle) are given. Draw the angles having the following measure.

$X°+Y°$

Two angles $X$ (obtuse angle) and $Y$ (acute angle) are given. Draw the angles having the following measure.

$\left(180-X\right)°$