# Classifying triangles

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##### Intros

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##### Examples

###### Lessons

- Classify the triangle by its sides and angles.
- Draw and classify the triangle by its vertices. Then, determine if it is a right triangle.
- Find x. Then, classify the triangle by its angles.
- One angle of a triangular chocolate box is 20°. The measure of the second angle is 3 times smaller than the third one. Find the measures of the two unknown angles.