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Types of Angles

Classify angle on the communication of their measure, i.e. Identify right angles, acute angles and obtuse angles.

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In geometry, one angle can be defined as the number formed by 2 rays conference at a common end point.

An angle is represented by the symbol ∠. Here, the angle listed below is ∠AOB.

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Angles are measured in degrees, utilizing a protractor.


Arms: The two rays authorized to type an angle are called arms of one angle. Here, OA and OB room the arms of the ∠AOB.

Vertex: The common end point at which the 2 rays meet to type an angle is called the vertex. Here, the point O is the vertex of ∠AOB.


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We can discover angles in miscellaneous things about us, such together in a pair of scissors, a hockey stick, a chair.

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Types of Angles

Angles deserve to be classified on the basis of their measurements as

-Acute angles -Right angle -Obtuse Angles

-Straight angles -Reflex angles -Complete Angles

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Exterior angles: Exterior angles room the angles formed external between any type of side the a shape, and also a line prolonged from the adjoining side. Here, ∠ACD is an exterior angle.


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fun Facts

The word ‘angle’ has been obtained from the Latin native Angulus, definition “a little bending”.The concept of angle was an initial used by Eudemus, who identified an angle together a deviation native a directly line.

See more: How Many Fouls To Foul Out In Baseball ? How Many Consecutive Foul Balls Is An Out In Mlb


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Let"s sing!


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Let"s perform it!

Instead that handing out geometry angles worksheets to your children, asking your boy to observe/spot the things in which they can find different angles such as in a hanger, hand of a clock, or the roof a house.

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Related math vocabulary


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