Triangle Angles Classification

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

• Obtuse triangle

• Equilateral triangle

• Right triangle

• Acute triangle

Which type of triangle has one angle equal to 90 degrees?

• Acute triangle

• Obtuse triangle

• Right triangle

• Equilateral triangle

What is the name of a triangle with one angle greater than 90 degrees?

• Obtuse triangle

• Right triangle

• Straight triangle

• Acute triangle

Identify the triangle with all angles equal to 60 degrees.

• Isosceles triangle

• Equilateral triangle

• Scalene triangle

• Right triangle

What is the term for a triangle with one angle greater than 90 degrees and less than 180 degrees?

• Obtuse triangle

• Straight triangle

• Acute triangle

• Right triangle

Name the triangle with one angle equal to 90 degrees and two acute angles.

• Isosceles triangle

• Right triangle

• Equilateral triangle

• Obtuse triangle

Which type of triangle has all angles equal to 90 degrees?

• Acute triangle

• Right triangle

• Equilateral triangle

• Obtuse triangle

Identify the triangle with one angle equal to 180 degrees.

• Equilateral triangle

• Degenerate triangle

• Scalene triangle

• Isosceles triangle