Online College Courses for Credit

Unit P Concept 4-5

Unit P Concept 4-5

Author: Crystal Kirch

Area of an oblique triangle

Heron's Area Formula

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

46 Sophia partners guarantee credit transfer.

299 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 33 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Unit P Concept 4 Part 1

How can we find the area of a triangle that is NOT a right triangle? We have two options depending on what they give us. This will go over the first option.

Source: Created by Crystal Kirch using Camtasia for Mac

Need more help with Concept 4?

The rest of the examples are worked out on a video that you will receive the link to once you submit your WSQ.

Unit P Concept 5 Part 1

Can you find the area of a triangle if all you have is all three sides... why, yes you can!

Source: Created by Crystal Kirch using Camtasia for Mac

Unit P Concept 5 Extra Examples

Need a few more examples of Concept 5? This optional video will cover examples #5-8

Source: Created by Crystal Kirch using Camtasia for Mac


If the WSQ does not show up use this link:

Source: google docs