6th Grade Geometry Classify and Measure Angles
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Exterior angle
All points in the plain, not part of the angle or its interior
Interior angle
All points in the plane between 2 rays
Acute angle
An angle that has a measure greater than 0⁰ and less than 90⁰
Obtuse angle
An angle that has a measure greater than 90° and less than 180°
Straight angle
An angle that has a measure of 180°
Right angle
An angle that has a measure of 90°
Reflex angle
The angle formed by exterior points of an angle
