R. D. Sharma Solutions for Chapter: Geometrical Constructions, Exercise 5: EXERCISE

Draw an obtuse angle and bisect it. Measure each of the angles so obtained.

Using your protractor, draw an angle of measure $108°$. With this angle as given, draw an angle of $54°$.

Using protractor draw a right angle and bisect it to get an angle of measure $45°$.

Draw a linear pair of angles. Bisect each of the two angles. Verify that the two bisecting rays are perpendicular to each other.

Draw a pair of vertically opposite angles. Bisect each of the two angles. Verify that the bisecting rays are in the same line.

Using ruler and compasses only, draw a right angle.

Using ruler and compasses only, draw an angle of measure $135°$.

Using a protractor, draw an angle of measure $72°$. With this angle as given, draw angles of measure $36°$ and $54°$.