Answer:
Circle with center at (-2,3) and radius r=3.
Step-by-step explanation:
Rewrite equation in standard form.
(x-a)^2+(y-b)^2=r^2
(x-(-2))^2+(y-3)^2=3^2
3/4 of 12
3/4 × 12 = 9
6/7 of 49
6/7 × 49 = 42
2/3 × 27 = 18
3/8 x 16 = 6
m∠AOC = 108°
m∠AOC = 3m∠AOB
⇒m∠AOB = (m∠AOC) / 3 = 108 / 3 = 36°