Question

In a triangle ABC , angle A+ angle B= 65 degrees and angle B+ angle C= 140 degrees. Find the angles. ​

Answer 1

hope this answer will help you

Answer 2

$\huge \mathcal {\fcolorbox{red}{gray}{\green{A}\pink{N}\orange{S}\purple{W}\red{E}\blue{R}{!}}}$

∠A+ ∠B= 65° → 1

∠B+∠C= 140°→2

1  +  2

∠A+ 2∠B+  ∠C = 205° →3

WE KNOW, ∠A+ ∠B + ∠C = 180° →4

SUBTRACT 4 FROM 3

WE GET, ∠B= 25°

THEREFORE

∠A=40°

∠C= 115°

HOPE SO IT WILL HELP......