volume of a cylinder
V=πr²*h
area of a circle
A=πr²
Area of a Triangle
A = (1/2)bh
The Pythagorean Theorem
a²+b²=c²
Volume of a Sphere
V=(4/3)πr³
Volume of a Cone
V=πr²(h/3)
Volume of a Pyramid
V=lwh/3
Slope of a line from 2 points
Slope = Rise/Run = Δy/Δx =
y₂-y₁)/(x₂-x₁
Slope of a line
rise(verticalchange)/
run(horizontal change)
.
Equation: (x+a)(x+b) formula
(x+a)(x+b)= x²+(a+b)x+ab
Equation: (x-a)(x+a) formula
(a+b)² = a²+2ab+b²
Equation for distance between 2 2 dimensional points
d^2= (▲x)² + (▲y)²