Find the value of x in the diagram
A.
10o
B.
28o
C.
36o
D.
44o
Correct answer is B
The sum of angles at point = 360o
(x+10)o + (4x+50)o + 20o + 3xo + 2xo = 360o
10x + 80o = 360o
10x = 360o - 80o = 280o
\(\frac{280}{10}=28^{\circ}\)