# Math's all formulas with figures

2
by mepoonam

2015-11-07T17:15:54+05:30

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

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
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
Cone (surface) pi × radius × side

Volume formula
Cube side3
Rectangular Prism side1 × side2 × side3
Sphere (4/3) × pi × 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
2015-11-07T19:02:47+05:30
Volume formula
Cube side3
Rectangular Prism side1 × side2 × side3
Sphere (4/3) × pi × radius3