If the ratio of the angles is 2:4:3. The value of the smallest angle will be:
60°
80°
40°
20°.
If AOB is a line then the measure of ∠BOC, ∠COD and ∠DOA respectively in the given figure, are:
36°, 54°, 90°
90°, 36°, 54°
90°, 54°, 36°
36°, 90°, 54°
What is the angle of an acute angle?
Less than 90°.
Equal to 90 degrees.
More than 90 degrees.
Equal to 180 degrees.