Classifying Triangles by Angles

What type of triangle has all angles less than 90 degrees?

• Obtuse triangle

• Scalene triangle

• Acute triangle

• Right triangle

What do you call a triangle with one angle greater than 90 degrees?

• Scalene triangle

• Acute triangle

• Obtuse triangle

• Right triangle

Which type of triangle has exactly one right angle?

• Isosceles triangle

• Equilateral triangle

• Scalene triangle

• Right triangle

How would you classify a triangle with angles measuring 60°, 60°, and 60°?

• Isosceles triangle

• Right triangle

• Equilateral triangle

• Scalene triangle

What is the name of a triangle that has no equal angles?

• Isosceles triangle

• Scalene triangle

• Equilateral triangle

• Right triangle