Classifying Quadrilaterals Tutorial

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial

No credit card required

28 Sophia partners guarantee credit transfer.

253 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial

Words to Know

Parallelogram - A parallelogram is a quadrilateral that has two sides that are equal and parallel to their opposing sides.

Rhombus - A rhombus is a quadrilateral that is a diamond shape. Rhombus' are parallelograms that have four equal sides.

Trapezoid - A trapezoid is a quadrilateral with one pair of parallel sides.

Isosceles Trapezoid - An isosceles trapezoid is a quadrilateral with one pair of opposing sides that are equal and another pair of opposing sides that are parallel.