AB a diameter of a circle with centre O. The tangent at a point C on the circle meets AB produced at Q. If ∠CAB = 42°, then what is the measure of ∠CQA?

AB a diameter of a circle with centre O. The tangent at a point C on t

1.	AB a diameter of a circle with centre O. The tangent at a point C on the circle meets AB produced at Q. If ∠CAB = 42°, then what is the measure of ∠CQA?
A.	5°
B.	7°
C.	17°
D.	6°
Answer» E.

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AB a diameter of a circle with centre O. The tangent at a point C on the circle meets AB produced at Q. If ∠CAB = 42°, then what is the measure of ∠CQA?

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