Classifying Triangles

Grade 645 minutes

Learning Objective

I can name triangles as equilateral, isosceles, or scalene based on their sides, and as acute, right, or obtuse based on their angles.

Practice Questions

This lesson includes 6 practice questions to reinforce learning.

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1. A triangle has sides measuring 7 cm, 7 cm, and 12 cm. Classify this triangle by its sides.

2. Draw an example of an acute triangle. Explain why your triangle is classified as acute.

3. Can a triangle be both equilateral and right? Explain your reasoning.

...and 3 more questions

Educational Video

Classifying Triangles | How to Name Triangles (by Sides and Angles)

Math with Mr. J

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