# Triangles with 3 Common Measures

Warmup

Examine each set of triangles.

(1.) What is the same about the triangles in the set 1?

(2.) What is different about the triangles in Set 1?

(3.) What is the same about the triangles in the set 2?

(4.) What is different about the triangles in Set 2?

Activity #1

Explore the Different Types of Triangles. • Examine this sets of triangles below and answer the questions that follow.

(1.) What is the same about the triangles in the set?

(2.) What is different?

(3.) How many different triangles are there?

(4.) Explain or show your reasoning.

(1.) What is the same about the triangles in the set?

(2.) What is different?

(3.) How many different triangles are there?

(4.) Explain or show your reasoning.

Challenge #1

Are these two triangles identical? Explain how you know.

Challenge #2

Are these triangles identical? Explain your reasoning.

Challenge #3

Tyler claims that if two triangles each have a side length of 11 units and a side length of 8 units, and also an angle measuring they must be identical to each other. Do you agree? Explain your reasoning.

Quiz Time