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Acute Angles

An Acute Angle is less than 90°

More Examples of Acute angles

Which Angle?

Remember to look carefully at which angle you are being asked to name.

The acute angle is the small angle which is less than 90°.

The larger angle you will have a Reflex Angle (more than 180° but less than 360°)

The smaller angle is an Acute Angle, but the larger angle is a Reflex Angle

Learn More

Angles

Obtuse Angles

Reflex Angle

Complementary Angles

Geometry Index

Categories: Geometry
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