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2010 AMC 10B Problem 6

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2010 AMC 10B Problem 6AMC 10 Step by Step
Name:                             Date: September 13, 2026
Circles · difficulty 1 of 5 · about 1 min · position P1-10

A circle is centered at OO , AB‾\overline{AB} is a diameter and CC is a point on the circle with ∠COB=50∘\angle COB = 50^\circ . What is the degree measure of ∠CAB\angle CAB ?

  1. A)

    2020

  2. B)

    2525

  3. C)

    4545

  4. D)

    5050

  5. E)

    6565

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