The angles marked in the figure are measured in degrees. Find x.
Attached Figure / Diagram
A
45o
B
90o
C
60o
D
15o
E
30o
Verified Correct Answer: E.
Step-by-Step Mathematical Solution
Sum of external angles = 360o
3x + 5x + x + 2x + x = 360o
12x = 360o
x = 30o
Source: Myschool Past Questions Archive (Record #32749)