- 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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