Mathematics for IGCSE & O level - Mensuration (Section 10 - No. 6)
When calculating the area of a trapezium, what do you need to know?
Only the height
Only the parallel side
The parallel sides and the perpendicular height
All the sides of the trapezium
คำอธิบาย
The area of a trapezium requires the length of the parallel sides (a & b) and the perpendicular height (h).