20 and 21 is your answer
20 + 21 = 41
hope this helps
The longest side is 5/(5+3+4) = 5/12 of the perimeter, hence
(5/12)*156 cm = 65 cm . . . . . the length of the longest side
<h2>⟰ <u>A</u><u>N</u><u>S</u><u>W</u><u>E</u><u>R</u> ⟰</h2>
<h2>U R ANS IS IN THE PIC !!</h2>
<h2>HOPE IT HELPS U!!!!!( :</h2>
Your answer is in the attached picture.
Hope this helps,
♥Nikki♥