In the diagram O is a circle centre of the circ... - WAEC Mathematics 2012 Question
In the diagram, O is a circle centre of the circle PQRS and < PSR = 86o. If < PQR = xo, find x
A
108o
B
172o
C
130o
D
50o
correct option: b
xo = 86 x 2(angle at centre = 2 x angle at circumference)
= 172o
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