Question

MCQ.
plz tell me the answer......................​

Answer 1

Answer:

20

Step-by-step explanation:

by anglesum property of triangle

sum of angles of triangle =180*

(x-10)+(2x+10)+6x=180

x+2x+6x-10+10=180

9x=180

x=180/9=20

hope you understood mark me as brilliest