Triangles Classification

What is the name for a triangle with all sides of different lengths?

• Right triangle

• Scalene triangle

• Equilateral triangle

• Isosceles triangle

How many degrees are in the interior angles of an equilateral triangle?

• 60 degrees

• 45 degrees

• 120 degrees

• 90 degrees

If a triangle has one angle greater than 90 degrees, what type of triangle is it?

• Obtuse triangle

• Acute triangle

• Isosceles triangle

• Right triangle

What is the name for a triangle with one angle measuring 90 degrees?

• obtuse-angled triangle

• isosceles triangle

• right-angled triangle

• equilateral triangle

If a triangle has two sides of equal length, what type of triangle is it?

• Equilateral triangle

• Scalene triangle

• Right-angled triangle

• Isosceles triangle