Triangle and Quadrilateral Classification Quiz

Which triangle has all three sides of equal length?

• Isosceles triangle

• Equilateral triangle

• Scalene triangle

A triangle with exactly two sides of equal length is called:

• Scalene triangle

• Equilateral triangle

• Isosceles triangle

Which triangle has all sides of different lengths?

• Isosceles triangle

• Equilateral triangle

• Scalene triangle

• Acute triangle

• Right triangle

• Obtuse triangle

• Right triangle

• Obtuse triangle

• Acute triangle

• Acute triangle

• Right triangle

• Obtuse triangle

Which of the following is NOT a type of triangle based on its sides?

• Isosceles

• Equilateral

• Scalene

• Parallelogram

How many sides does a quadrilateral have?

• 3

• 4

• 5

• 6

Which quadrilateral has two pairs of parallel sides?

• Trapezoid

• Parallelogram

• Irregular quadrilateral

• Triangle

A quadrilateral with only one pair of parallel sides is called:

• Parallelogram

• Trapezoid

• Rectangle

• Rhombus