In the diagram PQRS is a parallelogram and QRT ... - WAEC Mathematics 2005 Question
In the diagram, PQRS is a parallelogram and ∠QRT = 30o. Find x
A
95o
B
100o
C
120o
D
150o
correct option: d
Since ∠QRS = 180o - 30o = 150o and ∠SPQ = ∠QRS (theorem opp. angles in a parallelogram are equal) ∴ x = 150o
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