In the adjoining figure, AOB is a straight line: If x : y : z = 4 : 5 : 6, then y = ?
A. 60°
B. 80°
C. 48°
D. 72°
Answer:A
In the adjoining figure, AOB is a straight line: If x : y : z = 4 : 5 : 6, then y = ?
A. 60° B. 80° C. 48° D. 72°