
In the diagram, O is the centre of the circle, < QPS = 100o, < PSQ = 60o and < QSR. Calculate < SQR
The correct answer is: A
Explanation
In the diagram, < RPQ = 80o(angles in same segment)< SPR = 100o - < RPQ
= 100 - 80
= 20o
< SQR = < SPR = 20o (same reason as above)
< SQR = 20o