In the figure, PS = QS = RS and QSR - 100o, find QPR
Attached Figure / Diagram
A
40o
B
50o
C
80o
D
100o
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
Since PS = QS = RS
S is the centre of circle passing through P, Q, R /PS/ = /RS/ = radius
QPR \(\pm\) \(\frac{100^o}{2}\) = 50o
Source: Myschool Past Questions Archive (Record #32942)