Types of Special Triangles

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Objective

I can identify and classify different types of special triangles, including equilateral, isosceles, and scalene.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Define an equilateral triangle and describe its key properties, including the relationship between its sides and angles.

2

How can you determine if a triangle is isosceles? Provide an example of an isosceles triangle with specific side lengths.

Part 3 of 3

Exit ticket

Quick comprehension check

A triangle has sides measuring 7 cm, 7 cm, and 10 cm. Classify this triangle and explain your reasoning. A triangle has angles measuring 50 degrees, 60 degrees, and 70 degrees. Classify this triangle and justify your answer.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

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