Answer:
1/24
Step-by-step explanation:
1/3 = 8/24
3/8 = 9/24
9/24 - 8/24 = 1/24
Point B is the result of a 90° counterclockwise rotation.
b.10 inches
1440°
n = number of sides
n-2 x 180
10 - 2 = 8
8 x 180 = 1440°