0
$\begingroup$

Can you give a hint on how to prove that AB + CD > AF + FC +DE + EB?

enter image description here

$\endgroup$

1 Answer 1

2
$\begingroup$

Hint: denote the intersection of $AB$ and $CD$ by $X$, and show that $AF + CF < AX + CX$, and $DE + BE < DX + BX$.

$\endgroup$

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .