- Right angle
- Acute angle
- Obtuse angle

**A right angle**is exactly 90 degrees in measurement.

**An acute angle**is less than 90 degrees.

**An obtuse angle**is more than 90 degrees.

There is also a straight angle which is exactly 180 degrees, no more no less is measurement. The following video gives a further detailed explanation of the types of angles.

7th Grade Math - Types of Angles

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