Area of a circle
Pie r^2
Circumference of circle
2 pie r
Trapezoid area
(b1+b2)/2 h
Volume of Pyramid
1/3 Bh
Volume of cylinder
Pie r^2 h
Volume of cone
1/3 pie r^2 h
Area of triangle
1/2 bh
Area of rectangle
A=lw
Volume of prism
V=lwh
Slope Formula
M=y2-y1/x2-x1
Slope intercept form
Y=mx+b
Distance formula
[(x2-X11)^2+(y2-y1)^2]
Midpoint formula
X2+X1/2
Pythagorean Theorem
A^2+B^2=C^2
Equation of a circle
(X-h)^2+(y-k)^2=r^2