Question 2227
 Since the area rhombus = product of the two diagonals
 Now, 120 = 24 * another diagonal, so another diagonal = 5.
 
 Let x be the length of a side of the rhombus,
 we have x^2 = (24/2)^2 + (5/2)^2 = 144 + 25/4 = 601 /4
 So, x = sqrt(601)/2