Find the value of x in the diagram
-
A.
10o -
B.
28o -
C.
36o -
D.
44o
Correct Answer: Option B
Explanation
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})