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