Finding arc measures | Mathematics II | High School Math | Khan Academy

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Watch Sal solve a few problems where he finds a missing arc measure.

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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You maintain my sanity as I learn arcs with less than a week before finals.

effix
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For the first problem, it asks the arc measure of AC. Yet you state the arc measure of arc ABC. Wouldn't AC be 186?

itzcurryboi
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omg thank you! This whole time it was this easy and i have been overlooking

primeshinobi
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I have to do this for 10th grade geometry. It doesn't really help :/ he doesn't explain how he knows it :/ disliked

hunterrosalies