# Angle

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An **angle** is a two-dimensional geometric figure that consists of two rays with a common starting point.

**Measures of angles** are often used with circles and trigonometry.

## TypesEdit

- acute angle - measures between 0 and 90 degrees
- right angle - measures exactly 90 degrees
- obtuse angle - measures more than 90 and less than 180 degrees
- straight angle - measures exactly 180 degrees
- reflex angle - measures between 180 and 360 degrees