Angle - Angles are formed by two rays or two line segment that begin at the same point. |

the

sides of the angle.

vertex

These two rays

form an angle

form an angle

end point

Obtuse angle-Measures

between 90 and 180 degrees

between 90 and 180 degrees

Acute angle-Measures

between 0 and 90 and degrees

between 0 and 90 and degrees

straight angle-Measures

between 0 and 90 degrees

between 0 and 90 degrees

reflex angle-Measures

greater than 180º and less than 360º.

greater than 180º and less than 360º.

Right angle

vertex

vertex

vertex

vertex

vertex

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Math Glossary