Classifying Triangles

Recognize the type of triangle: A triangle with all sides of different lengths.

• Scalene triangle

• Right triangle

• Isosceles triangle

• Equilateral triangle

Recognize the type of triangle: A triangle with at least one right angle.

• Isosceles triangle

• Equilateral triangle

• Scalene triangle

• Right-angled triangle

Understand the type of triangle: A triangle with all angles less than 90 degrees.

• Acute triangle

• Equilateral triangle

• Right triangle

• Obtuse triangle

Understand the type of triangle: A triangle with one angle greater than 90 degrees.

• Right triangle

• Acute triangle

• Equilateral triangle

• Obtuse triangle

Differentiate the type of triangle: A triangle with all acute angles.

• Obtuse triangle

• Right triangle

• Acute triangle

• Equilateral triangle

Differentiate the type of triangle: A triangle with at least one obtuse angle.

• Equilateral triangle

• Isosceles triangle

• Obtuse triangle

• Right triangle

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Obtuse Isosceles

• Obtuse Scalene

Classify this triangle.

• Acute

• Obtuse

• Right

Identify the triangle by its sides and angles.

• Obtuse Equilateral

• Obtuse Isosceles

• Isosceles

• Acute Scalene

Identify the triangle by its sides and angles

• Right Isosceles

• Right Scalene

• Right Equilateral