Area of Trapeziums (Trapezoids in the US) - JSS3 Mathematics Lesson Note
The formula for the area of a trapezium is:
Area=½×(base1+base2)×height
For example:
Consider a trapezium with base 1 of 4 units, base 2 of 6 units, and a height of 3 units.
Area=½×(4+6)×3
=½×10×3
=15 square units
Hence, the area of this trapezium is 15 square units.