Online College Courses for Credit

Review Area of Basic shapes

Review Area of Basic shapes

Author: Marcia Cyr

After this turorial, students will be able to calculate the area using formulas for rectangles, parallelograms, triangles, trapezoids and kites.

See More

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 many different colleges and universities.*

Begin Free Trial
No credit card required

29 Sophia partners guarantee credit transfer.

311 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 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Notes 8.1 - Areas of Rectangles and Parallelograms


Notes 8.2 - Areas Triangles, Trapezoids and Kites


Video Notes

Go to and watch video on Area of parallelograms, triangles, trapezoids and kites