Types of quadrilaterals

The types of quadrilaterals can be classified by relationships of their sides and angles.

Parallelogram: A four-sided polygon with two pairs of parallel and equal sides. The following is a parallelogram.

Rectangle: A rectangle is a parallelogram with 4 right angles. The following is a rectangle.

Square:A square is a rectangle with 4 equal sides.The following is square

Rhombus: A rhombus is a parallelogram with 4 equal sides. The following is a rhombus.

Trapezoid: A trapezoid is a quadrilateral with only one pair of parallel sides. The following are trapezoids.

Scalene trapezoid: A scalene trapezoid is a trapezoid with no equal sides.The following is a scalene trapezoid

Scalene trapezoid
Right-angled trapezoid: A right-angled is a trapezoid with two right angles. The following is a right-angle trapezoid.

Right trapezoid
Isosceles trapezoid: In an isosceles trapezoid, non-parallel sides are equal. The following is an isosceles trapezoid.

Isosceles trapezoid

Types of quadrilaterals quiz. Take the quick to check if you understand this lesson.

New math lessons

Your email is safe with us. We will only use it to inform you about new math lessons.

Page copy protected against web site content infringement by Copyscape

Recent Articles

  1. Calculate the Harmonic Mean

    Jan 13, 17 01:28 PM

    What is the harmonic mean? How to calculate the harmonic mean?

    Read More