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In the Diagram, PQRS is a Parallelogram: Find the Value of in the Diagram

In the diagram, PQRS is a parallelogram. Find the value of

A.
30^o
B.
50^o
C.
80^o
D.
100^o

Correct Answer: Option D

Explanation

SQR + RQV + VQU = 18^o angle on a straight line SP is parallel to QR and PV is parallel to TR o
But SQR + 30^o + 50^o = 180^o
SQR = 180 – 80
= 100^o