Question

plz give a proper explanation.....​

Answer 1

Step-by-step explanation:

In the first step A+B+C = 180 ....

The value of X is 28

hope it helps you

Answer 2

Answer:

x=28°

explanation

< means angle

<A+<B+<C=180°

so;

(5x-60°)+(2x+40°)+(3x-80°)=180°

» 10x-100° = 180°

» 10x = 180°+100°

» x = 280°/10

» x = 28°

if it is not right donot make it genius.