The diagram is a circle centre O. Find the value of x
-
A.
30o -
B.
50o -
C.
61o -
D.
78o -
E.
65.5(^{circ})
Correct Answer: Option E
Explanation
∠PQR (Reflex) = 360° – 68° = 292°
∠PQR = 2∠PQR
292° = 4x + 30°
4x = 292 – 30 = 262
(x = frac{262}{4}=65.5°)