6 Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of its diagonals is 8 cm long, find the length of the other diagonal.
Rhombus is a type of parallelogram and area of parallelogram is product of base and height.
So,Area of rhombus = base height
Let the other diagonal be x
Area of rhombus =