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Formulas
Math Formulas for the ACT
Question | Answer |
---|---|
Pythagorean Theorem | |
Area of a circle | πr ^2 |
Slope-intercept form | y = mx + b |
sin θ | |
Quadratic formula | |
Area of a triangle | |
Distance formula | |
Circumference of a circle | 2πr or πd |
Volume of box (cube) | (l)(w)(h) |
Area of a square | |
Midpoint Formula | |
Area of a rectangle | (b)(h) |
Area of a parallelogram | (b)(h) |
Slope formula | |
tan θ | |
Complementary angles | add to 90 degrees |
Circle formula | |
Supplementary angles | add to 180 degrees |
cos θ | |
Area of a trapezoid |