The area of a trapezium is 409.5 cm2 and the distance between its parallel sides is 21 cm. If one of the parallel sides is of length 22 cm, find the length of the other side.
There are a total of 16 chocolates - 4 each in the flavors of mango, cherry, strawberry and coffee. There are also 5 children. If each child is allowed to choose their own favorite flavor, what is the probability that all of them will get flavors of their choice?
There is a rectangle ABCD, with sides AB = CD = 56, and sides and BC = DA = 90. The rectangle is rotated 90° clockwise about C, then rotated 90°clockwise about the new location of the point that D after the first rotation. What is the length of the path traveled by point A?