Question: how to find the distance between two parallel sides of a trapezium?
Answer: If the length of the parallel sides of the trapezium are 𝑙 one and 𝑙 two and the perpendicular distance between them is ℎ, then the area of the trapezium is given by one-half multiplied by ℎ multiplied by the sum of 𝑙 one and 𝑙 two.