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Over [174]
3 years ago
7

I found this answer on the Internet. *If* it were an original answer, below is how I would grade it and why.

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

1) It is given that line AB is tangent to the circle at A.

∴ ∠CAB = 90º (Tangent at any point of a circle is perpendicular to the radius throught the point of contact)

Thus, the measure of ∠CAB is 90º.

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