WAEC - Mathematics (1989 - No. 29)
In the diagram above O is the center of the circle, if ∠PAQ = 75o, what is the value of ∠PBQ?
15o
75o
105o
150o
210o
解释
< PBQ = 180° - 75° (opp angles of a cyclic quadrilateral)
= 105°
In the diagram above O is the center of the circle, if ∠PAQ = 75o, what is the value of ∠PBQ?
< PBQ = 180° - 75° (opp angles of a cyclic quadrilateral)
= 105°