# Classifying Triangles by Angles and Sides Worksheet (with Answer Key)

To classify the triangles by angles and sides can be a very easy task to do. In this worksheet, you will learn about classifying the triangles by angles and sides. It will help you use your existing skills to classify the triangles by angles and sides.

## What is a“Triangle”?

A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices. A triangle is also a polygon.

## What are the types of Triangles?

Based on the side length and  angles, the triangles are majorly classified into six types. Based on the length of the sides, the triangle is classified into:

Based on the angles, the triangle is classified into:

## How will the “Classifying Triangles by Angles and Sides Worksheet” help you?

This worksheet will help you to classify the triangles by angles and sides.

## Instructions on how to use the “Classifying Triangles by Angles and Sides Worksheet (with Answer Key)”

Use this math worksheet to carefully study the concept of classifying the triangles by angles and sides.

A 10-item activity is given after the lesson in order to exercise the learned concept.

Towards the end of this worksheet, a reflective section is provided in order to help the learner think about their own thinking (metacognition) and assess how they performed in the lesson.

## Conclusion

At the end of this worksheet, the learner will effectively learn about classifying the triangles by angles and sides.