In the diagram KS is a tangent to the circle ce... - WAEC Mathematics 2004 Question
In the diagram, KS is a tangent to the circle centre O at R and ∠ROQ = 80o. Find ∠QRS.
A
90o
B
80o
C
50o
D
40o
correct option: c
∠QRS = ∠RPQ (theorem: angle in the alternate segment are equal)
∠RPQ = 50o
∠QRS = 50o
∠RPQ = 50o
∠QRS = 50o
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