Types of Angles
Types of Angles: Overview
This topic covers concepts such as Straight Angle, Right Angle, Obtuse Angle and Acute Angle.
Important Questions on Types of Angles
How many acute angles can a right triangle have?

In the adjoining figure, name the acute vertically opposite angles

If two lines intersect at a point, and if one pair of vertically opposite angles are obtuse angles, then the other pair of vertically opposite angles are _____.
.

If the reflex angle of the given rays is , then the measure of the interior angle is an acute angle.


In the adjoining figure, name the obtuse vertically opposite angles

Two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are _____ angles.

If the reflex angle of the given rays is , then the measure of the interior angle is an obtuse angle?


How many obtuse angles does a triangle have?

Sort the shapes based on the number of right angles they have:

Sort the shapes based on the number of right angles they have:

Define a right angle and write some examples of it.

A straight angle is exactly half of a revolution.

A straight angle is formed by rotating one ray by _____ degrees with respect to another ray.

Define a straight angle and write some examples of it.


The angle in the given figure is _____ angle. (Acute/Obtuse/Right/Straight)

If times the difference between times of an angle and is , find the type of the angle.

If times the sum of times of an angle and is , find the type of the angle.
