In the diagram, PQRS is a parallelogram and ∠QRT = 30o. Find x
Attached Figure / Diagram
A
95o
B
100o
C
120o
D
150o
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Since ∠QRS = 180o - 30o = 150o and ∠SPQ = ∠QRS (theorem opp. angles in a parallelogram are equal) ∴ x = 150o
Source: Myschool Past Questions Archive (Record #26687)