Just divide the arc the inscribe angle forms by 2. So 100/2 = 50 = a, and b is 55.
Answer:
I think its D
Step-by-step explanation:
lmk if its wrong
Answer:
x = 94
Step-by-step explanation:
(86 + x)/2 = 90
86 + x = 180
x = 94
C
20% increase
$50 + 20% = $60