Angles and Arc Lengths - SAT

This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

How to find the length of arc?

Angles and Arc Lengths - Harder Example

A circle has a circumference of 10π feet (ft). An arc, x, in this circle has a central angle of 260°. What is the length of x?

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