Respuesta :

Answer:

180

Step-by-step explanation:

Straight lines equal 180

I hope this helps!

isabella66130

Answer:

It's 180

Step-by-step explanation:

you add 20 by 160 and you get 180. Then it's going to be the same on the other side. Another way you can do it it imagine there is a circle there and a whole circle is 360 degrees so 360-180=180