Types of Angles

IMPORTANT

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

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How many acute angles can a right triangle have?

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In the adjoining figure, name the acute vertically opposite angles

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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 _____.
.

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If the reflex angle of the given rays is 299°, then the measure of the interior angle is an acute angle.

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Name the angle marked in the diagram.

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In the adjoining figure, name the obtuse vertically opposite angles

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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.

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If the reflex angle of the given rays is 244°, then the measure of the interior angle is an obtuse angle?

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Name the angle marked in the diagram.

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How many obtuse angles does a triangle have?

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

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

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Define a right angle and write some examples of it.

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A straight angle is exactly half of a revolution. 

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

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Define a straight angle and write some examples of it.

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The angle x-2° is an obtuse angle.

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

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If 7 times the difference between 3 times of an angle and 5 is 3745, find the type of the angle. 

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If 2 times the sum of 3 times of an angle and 20 is 1024, find the type of the angle.