Area of a Square
A= l x l
Area of a rectangle
A= l x w
Area of a triangle
A= 1/2 b x h
Area of a parallelogram
A= h x b
Area of a trapezoid
A= 1/2 x h (b1 + b2)
Area of a circle
A= pi r ^2
Area of a Rhombus
A= 1/2 x d1 x d2
Volume of rectangular prism
V= l x w x h
Volume of triangular prism
V= b x h x l / 2
Volume of a cylinder
V= pi r^2 h
Volume of a cone
pi r^2 x h / 3
Volume of a rectangular pyramid
V= l x w x h / 3
Volume of a sphere
V= 4/3 pi r^2