Question

Determine the value of xin this polygon.
(6x + 3)º
(x + 12.5)°
(2x + 8)

Answer 1

x= 17.3889⁰

Step-by-step explanation:

6x+ 3+ x+12.5+2x+8

6x+x+2x= 9x

3+12.5+8=23.5

9x+23.5=180

180-23.5= 156.5

9x=156.5

17.3889

ans= 17.3889⁰