Mathematics for IGCSE & O level - Mensuration (Section 6 - No. 11)
What is the formula for the area of a trapezium?
1/2 * base * height
1/2 * (a + b) * h
base * height
a * b * h
Explication
Area of a trapezium = 1/2 * (a + b) * h where a and b are the lengths of the parallel sides, and h is the height.