The diagram is a circle with centre P. PRST are points on the circle. Find the value of
-
A.
144o -
B.
72o -
C.
40o -
D.
36o
Correct Answer: Option A
Explanation
Reflex
reflex o(angles at a point)
i.e. 2x + 8x = 360o
10x = 360o
x = (frac{360}{10})
= 36o
= (frac{1}{2}) x 8x = 4x
4 x 36o
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