Main content

## Class 6 (Old)

### Course: Class 6 (Old) > Unit 9

Lesson 4: Classification of triangles# Classify triangles by angles

## Problem

Stuck?

Stuck?

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

Stuck?

Stuck?