Classifying Triangles by Side and Angles

CLASSIFY THE TRIANGLE

It's sides make it a ​ ​ (a)   ​ triangle.

It's angles make it a ​ ​ (b)   triangle.

• isosceles

• right

• equilateral

• scalene

• acute

• obtuse

Side Classification: ​ (a)  

Angle Classification: ​ (b)  

• Isosceles

• Acute

• Right

• Obtuse

• Equilateral

• Scalene

Match the following triangle with the correct classification

• scalene right

• 
• Isosceles right

• 
• Isosceles acute

• 
• Scalene obtuse

• 
• equalateral acute

• 

Identify the triangle by its sides and angles

• Equilateral

• Obtuse Equilateral

• Acute Equilateral

• Acute Isosceles

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Right Equilateral

Look at the diagram. Which word completes the diagram?

b

Irregular

Straight

Scalene

Slanted

The triangle in the image is ​ (a)   based on its side lengths and ​ (b)   based on its angles.

• isosceles

• obtuse

• scalene

• equilateral

• acute

• right

What does the term scalene mean?

• all sides equal

• two sides equal

• 90 degree angle

• all sides not equal

Classify the following Triangle

• Right Isosceles Triangle

• Acute Isosceles Triangle

• Right  Scalene Triangle

• Acute Scalene Triangle

Classify the triangle by angles and sides.

• Right Scalene

• Acute Isosceles

• Obtuse Isosceles

• Equiangular Equilateral