It's two. 50% chance of heads, 50% chance of tails.
<em><u> </u></em><em><u>Hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>u</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Step-by-step explanation:
hope this helps you.........
Vertical angles are congruent.
10x+60=30x-20
20x=80
x=4
All four angles add up to 360 degrees.
360-100-100=360-200=160
160/2=80
100, 100, 80, 80