PQRS isa cyclic quadrilateral which PQ = PS. PT is a tangent to the circle and PQ makes an angle of 50o with the tangent as shown in the figure. What is the size of QRS?
-
A.
50o -
B.
40o -
C.
110v -
D.
80o -
E.
100o
Correct Answer: Option E
Explanation
o
80 + o – 80o
= 100o