Find the value of x in the diagram

MATHEMATICSWAEC 2004

A. 10°
B. 28°
C. 36°
D. 44°

Correct Answer: B. 28°

Explanation

The sum of angles at point = 360^o

(x+10)^o + (4x+50)^o + 20^o + 3x^o + 2x^o = 360^o

10x + 80^o = 360^o

10x = 360^o - 80^o = 280^o

\(\frac{280}{10}=28^{\circ}\)

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