Classify the Three Types of Triangles

What types of triangles describe the kind of sides a triangle has? Pick all that apply.

• Equilateral

• Scalene

• Obtuse

• Isosceles

What types of triangles describe the kind of angles a triangle has? Pick all that apply.

• Acute

• Obtuse

• Right

• Equilateral

Classify this triangle by sides:

• Equilateral

• Isosceles

• Scalene

• Acute

Classify this triangle by angles:

• Acute

• Obtuse

• Right

• Scalene

What is the name of this kind of triangle?

• Isosceles

• Scalene

• Equilateral

Classify the following Triangle

• Right Isosceles Triangle

• Acute Isosceles Triangle

• Right  Scalene Triangle

• Acute Scalene Triangle

This graphic organizer is being used to classify triangles based on their angle measures or side lengths. Which list shows all of the ways this triangle could be classified?

• Acute only

• Equilateral only

• Acute and isosceles only

• Acute, isosceles, and equilateral only

The graphic organizer shown can be used to classify triangles. Which triangle can be classified as scalene?

• 
• 
• 
• 

A student used this graphic organizer to classify different figures. Which figures belong in the part of the organizer labeled “Isosceles triangles”?

• Figures II and V only

• Figures I, III, and V only

• Figures I and III only

• Figures II, IV, and V only

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

• Right Triangle