There is a rhombus-shaped key holder. If the length of one diagonal of the key holder is 7.4 centimeters (cm) and the area is 21.46 square centimeters (cm2), how long is the other diagonal in centimeters (cm?)
21.46 2 [OP_MUL] 7.4 [OP_DIV]
var_a = 21.46
var_b = 2
var_c = var_a * var_b
var_d = 7.4
var_e = var_c / var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))