Rectangle
Area = Length x Width
Parallelogram
Area = Base x Height
Triangle
Area = 1/2 of the Base x Height
Trapezoid
Area = (Base 1 + Base 2 / 2) x Height
Circle
Area = Pi x Radius²
Rectangular Solid
Volume = Length x Width x Height
Prisms
Volume = Base x Height
Cylinder
Volume = Pi x Radius² x Height
Pyramid
Volume = 1/3(Base x Height)
Cones
Volume = (1/3 Pi x Radius²) x Height
Sphere
Volume = 4/3 Pi x Radius³