Classifying Triangles

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

• Equilateral

• Isosceles

• Obtuse

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

• scalene

• acute

• equilateral

Which type of angle is this?

• Acute

• Right

• Obtuse

Which type of angle is this?

• Acute

• Right

• Obtuse

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

• Equilateral Triangle

• Scalene Triangle

• Right Triangle

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

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Equilateral Triangle

If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?

• Right Isosceles

• Acute Scalene

• Obtuse Scalene

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

• Acute Isosceles

• Equilateral

• Obtuse Scalene