# 5.2B Math 7 Triangles

Amy Gilga

Created on June 27, 2024

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## Transcript

#### Lesson 5.2B

### triAngles

Lesson objectives

- Identify and describe properties of all types of triangles.
- Use and apply the triangle inequality theorem.

Triangles can be classified by the measures of their interior angles.

Classifying Triangles

By Side Length

Triangles can be classified by the number of sides that are equal in length.

By Angle Measure

### Try it!

Angle Sum Theorem

Writing equations to solve for missing angle measures

#### Determine the measures of angle A, B, and C.

Try It!

Hint 2

Answer

Hint 3

Hint 1

Try it!

Try it!