Helpful SAT/ACT Math Formulas
Vcylinder = πr²h SAcylinder = 2πr² Vsphere = (4/3)πr³ SAsphere = 4πr² Vcube = s³ SAcube = 6s² Face Diagonal (cube) = s√2 Inner Diagonal (cube) = s√3 Graph a circle: (x-h)²+(y-k)²=r² Parabola: y=a(x-h)²+k a>0 -> concave up a<0 -> concave down Total degree measure in polygon: (n− 2)(180) Degree measure of 1 angle in a reg. polygon:[…]