A.) False
b.) True
c.) True
d.) True
Answer:
6 and 3
Step-by-step explanation:
Since the area of a circle is π

, and our radius is 9 we know the total area to be 254.469, and the ratio of sector area to total area is 169.56/254.469 = .6663. There are 360 degrees in a circle, so:

≈ 240°
240 degrees