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Geometry Tutorials
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?
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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