Applying the inscribed angle theorem, the measure of angle CAB in the circle is: A. 24°.
What is the Inscribed Angle Theorem?
According to the inscribed angle theorem, the measure of arc CB = twice the measure of the inscribed angle CAB.
Thus, we have:
m∠CAB = 1/2(arc CB)
m∠CAB = 1/2(48)
m∠CAB = 24°
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