Area of trapezoid on the coordinate plane | High School Math | Khan Academy

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Sal finds the area of a trapezoid using the distance formula and the trapezoid area formula.

High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it.

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What if I don't have the information of where N point is? How to get the perfect perpendicular having only coordinates for C, O, W, L points?

aceofspades
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This teacher is way more better than mine -_-

iamsoboredyknow
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I need this answer fast!!!! If i dont need or have the height of the trapezoid, can i just use A=1/2(b1+b2) without the

jersangel