If the exterior angles of a quadilateral are y o , (2y + 5) o

MATHEMATICS

WAEC 1994

If the exterior angles of a quadilateral are y^o, (2y + 5)^o , (y + 15)^o and (3y - 10)^o, find y^o

A. 61.43
B. 60
C. 52.86
D. 50

Correct Answer: D. 50

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