Note that the y-coordinates are subtracted first in the numerator. The Math Formulas on the SAT. 4 You should know the following formula to compute the slope of a line on SAT math day.
The number of degrees of arc in a circle.
Angles on the inside of any triangle add up to 180. Sometimes you arent given the height and youll need to calculate it but you can quickly find the area of an equilateral triangle by plugging the length of one of its sides into the formula above. The side opposite 30 degrees is the smallest with a measurement of x. But there many additional formulas it will be helpful to know on test day so you can fly through the math section with confidence.