In the figure find x - JAMB Mathematics 2017 Question
A
40o
B
55o
C
50o
D
60o
correct option: a
Sum of angle at a point = 360o
2x + 3x + 4x = 360
9x = 360
x = \(\frac{360}{9}\)
x = 40o
2x + 3x + 4x = 360
9x = 360
x = \(\frac{360}{9}\)
x = 40o
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