Respuesta :

The value of x° is 22° and exterior angle is 25.

Step-by-step explanation:

l can prove like this,

Here,2x°+(103-x)°=(6x-7)°...Being exterior angle

or,2x°+103°-x°=6x°-7°

or,x°+103°=6x°-7°

or,103°+7°=6x°-7°

or,5x°=110°

or,x°=110°÷5=22°

Now,

x°=22°

(6x-7)°=(6×22-7)°=125°