The area of a rhombus is equal to the area of a rectangle whose length is 20cm and the breadth is 10cm. If one of the diagonals is 32cm what is the length of other diagonal? Select the correct option:
A) 10
B) 12.5
C) 15
D) 16
E) 17.5

Rationale: area of rectangle = 20 x 10 = 200 cm â ² let ' l ' the length of other diagonal = 0.5 x 32 xl = 200 which gives x = 12.5 cm answer : b
Answer: B