Angle A = 67^0
<span>Angle B = 53^0
</span>
I don't know where D and C are
Please restore my faith in humans and try to understand this concept
Y=140 because U have to go 35 divided by 2 and 8 times 17.5
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