Acute Triangle is a triangle with its angles less than 90 degrees.

Example of An Acute Triangle

• The triangle shown has all its angles measuring less than 90 degrees.

Video Examples: Acute Triangle - MathHelp.com - Geometry Help
 

Solved Example on Acute Triangle

Ques: Which of the figures is an acute triangle?

Solution:

Step 1: Figure 1 is a right triangle. Figure 3 is an obtuse triangle.
Step 2: Figure 2 is an acute triangle.

 

Related Worksheet

• Classifying-Angles-Gr-4