Perimeter formula |
|
Square
|
4 * side
|
Rectangle
|
2 * (length + width)
|
Parallelogram
|
2 * (side1 + side2)
|
Triangle
|
side1 + side2 + side3
|
Regular n-polygon
|
n * side
|
Trapezoid
|
height * (base1 + base2) / 2
|
Trapezoid
|
base1 + base2 + height * [csc(theta1) + csc(theta2)]
|
Circle
|
2 * pi * radius
|
Ellipse
|
4 * radius1 * E(k,pi/2)
E(k,pi/2) is the Complete Elliptic Integral of the Second Kind k = (1/radius1) * sqrt(radius12 - radius22) |
Area formula |
|
Square
|
side2
|
Rectangle
|
length * width
|
Parallelogram
|
base * height
|
Triangle
|
base * height / 2
|
Regular n-polygon
|
(1/4) * n * side2 * cot(pi/n)
|
Trapezoid
|
height * (base1 + base2) / 2
|
|
|
Circle
|
pi * radius2
|
Ellipse
|
pi * radius1 * radius2
|
|
|
Cube (surface)
|
6 * side2
|
Sphere (surface)
|
4 * pi * radius2
|
Cylinder (surface of side)
|
perimeter of circle * height
|
|
2 * pi * radius * height
|
Cylinder (whole surface)
|
Areas of top and bottom circles + Area of the side
|
|
2(pi * radius2) + 2 * pi * radius * height
|
Cone (surface)
|
pi * radius * side
|
Torus (surface)
|
pi2 * (radius22 - radius12)
|
Volume formula |
|
Cube
|
side3
|
Rectangular Prism
|
side1 * side2 * side3
|
Sphere
|
(4/3) * pi * radius3
|
Ellipsoid
|
(4/3) * pi * radius1 * radius2 * radius3
|
Cylinder
|
pi * radius2 * height
|
Cone
|
(1/3) * pi * radius2 * height
|
Pyramid
|
(1/3) * (base area) * height
|
Torus
|
(1/4) * pi2 * (r1 + r2) * (r1 - r2)2
|
Source: Spiegel, Murray R. Mathematical Handbook of Formulas and Tables.
Schaum's Outline series in Mathematics. McGraw-Hill Book Co., 1968.