BetterExplained a Math blog by Kalid Azad has some of the best explanation for complex Math topics. (It goes into other topics, but the Math posts are most pertinent to this audience)
Ever wonder why there are 360 degrees in a circle, BetterExplained tells you why (HINT: 365 days in a year) and then goes on to show you how radians … yes radians … make a lot more sense when looking at circles.

Other posts include
- How To Analyze Data Using the Average
- Demystifying the Natural Logarithm
- How To Measure Any Distance With The Pythagorean Theorem
The site is a very good resources if you have trouble with any of the topics he discusses.
Now go use this know to answer a PrepHub SAT Math Question involving The Pythogorean Theorem
