# How many acute angles are in a triangle?

#### Understand the Problem

The question is asking about the number of acute angles that can exist in a triangle. An acute angle is defined as an angle that is less than 90 degrees, and the inquiry relates to the properties of triangles and their angles.

#### Answer

Three acute angles

A triangle can have up to three acute angles.

##### Answer for screen readers

A triangle can have up to three acute angles.

#### More Information

In an acute triangle, all three angles are less than 90°. In an obtuse triangle, there are two acute angles and one obtuse angle. A right triangle has two acute angles and one right angle.

#### Tips

Common mistakes include misinterpreting the type of triangle or assuming all triangles can only have one type of angle.

#### Sources

- Acute and obtuse triangles - Wikipedia - en.wikipedia.org
- How many acute angles can a triangle have? | CK-12 Foundation - ck12.org