Classify Triangles by Sides

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Look at the sides of this triangle. What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

What type of angle is this?

• Acute
• Right
• Obtuse
• Straight

Which type of angle is this?

• Acute
• Right
• Obtuse
• Straight

Which type of angle is this?

• Acute
• Right
• Obtuse
• Straight

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

• Equilateral Triangle
• Right Isosceles Triangle
• Obtuse Scalene Triangle
• Obtuse Equilateral Triangle

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

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

Classify this triangle.

• A
• B
• C
• D

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

• A
• B
• C
• D

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse