Area of a rectangle
Length x width
Area of a triangle
1/2 bh
Area of a parallelogram
Bh
Area of a trapezium
1/2(a+b)h
Area of a circle
Pie x radius2
Circumference of a circle
Pie x diameter
Volume of a cuboid
L x w x h
Volume of a prism
Multiply the credos sectional area by the length
Volume of a sphere
4/3pie x radius3
Surface area of a sphere
4pie x radius2
Volume of a cone
1/3pie x radius2 x height
Curved surface area of a cone
Pie x radius x length