Triangle Types and Properties Quiz

This triangle is ...

• scalene

• right

• obtuse

• equilateral

Which side length is the largest?

• Angle C

• BA

• CB

• CA

Which triangle can best be described as an equilateral triangle?

• 
• 
• 
• 

What type of triangle is shown?

• Isosceles

• Right

• Equilateral

• Scalene

A triangle has side lengths of 5 cm, 5 cm, and 5 cm. What type of triangle is this based on its sides?

• Scalene

• Isosceles

• Equilateral

• Right

A triangle has angles measuring 60°, 60°, and 60°. What type of triangle is this based on its angles?

• Acute

• Right

• Obtuse

• Equilateral

Which of the following triangles is a right triangle?

• A triangle with angles 90°, 45°, and 45°

• A triangle with angles 60°, 60°, and 60°

• A triangle with angles 100°, 40°, and 40°

• A triangle with angles 80°, 70°, and 30°

A triangle has side lengths of 7 cm, 10 cm, and 5 cm. What type of triangle is this based on its sides?

• Scalene

• Isosceles

• Equilateral

• Right

A triangle has angles measuring 30°, 60°, and 90°. What type of triangle is this based on its angles?

• Acute

• Right

• Obtuse

• Equilateral

A triangle has two sides of equal length and one side that is different. What type of triangle is this based on its sides?

• Scalene

• Isosceles

• Equilateral

• Right