Calculate the value of x in the diagram above
-
A.
18o -
B.
30o -
C.
40o -
D.
60o -
E.
15°
Correct Answer: Option E
Explanation
vertically opposite angles are equal, hence
3x + 6x + 3x = 180°
12x = 180°
x = 15°
Calculate the value of x in the diagram above
vertically opposite angles are equal, hence
3x + 6x + 3x = 180°
12x = 180°
x = 15°