There is a Khana Academy video that explains everything you have to do and it’s the same page that you’re on
Step-by-step explanation:
all I see is a piece of paper
∡1 = 180° - 30°
<h2><u>∡1 = 150°</u></h2>
theres no real way to solve that because of B have you asked one else about this question you cant solve this with a expression.