The length of the other parallel side is 10 cm.
Trapezium is a quadrilateral (has four sides and four angles) with a pair of parallel sides. The area (A) of a trapezium is given by:
A = (1/2)(a + b)h
where a and b are the length of the parallel sides, h is the height of the trapezium
Given A = 54, a = 8 cm, h = 6 cm, hence:
54 = (1/2)(8 + b)6
8 + b = 18
b = 10 cm
The length of the other parallel side is 10 cm.
Find out more on trapezium at: https://brainly.com/question/137259
