math

• Volume of cylinder

  pi x radius^2 x height
• Surface area of a cylinder

  2 x pi x radius^2 x 2 x pi x radius x height
• volume of a pyramid

  1/3 x area of base x perpendicular height
• sum of interior angles

  180(n-2)
• one exterior angle

  360/ number of sides
• acceleration

  change in velocity/time
• completing a square

  (x + b/2)^2 - (b/2)^2 + c
• Compound interest

  amount x multiplier^years
• density

  mass/volume
• pressure

  force x area