Question

ABCD is a diagonal is AB +BC+CD+DA is smaller than AC +VD?​

Answer 1

Answer:

Let A = B = C = D = x

Then diagonal AC = BD = Root (2) * x

AB +BC+CD+DA = 4x

AC + BD = 2*Root (2) * x

So

AB +BC+CD+DA is not smaller than AC + BD.