Question

In∆ABC, if AB=3x+2y, AC=x+3y and perimeter of ∆ABC=6x+8y, find the length of BC
pls ans this I will mark u as brainlist
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Answer 1

Answer:

Let the measure of the fourth angle be x°.

Thus, we have:

130°+82°+40°+x°=360° [Angle addition property of quadrilateral]⇒252°+x°=360°⇒x°=360°-252°⇒x°=108°

Thus, the measure of the fourth angle of the

Answer 2

$BC\:=\:2x+3y$

see the pic that i have attached

hope this helps...