WAEC - Mathematics (2017 - No. 38)
In the diagram, XY is a straight line. <POX = <POQ and <ROY = <QOR. Find the value of <POQ + <ROY.
60\(^o\)
90\(^o\)
100\(^o\)
120\(^o\)
Explanation
<POX = <POQ; <ROY = QOR
2 <POQ + 2 <ROY = 180
2(<POQ = <ROY) = 180
<POQ + <ROY = 90
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