In the figure shown, point \(O\) is the center of the semicircle, and points \(B, C, D\) lie on the semicircle. If the

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In the figure shown, point \(O\) is the center of the semicircle, and points \(B, C, D\) lie on the semicircle. If the length of line segment \(AB\) is equal to the length of line segment \(OC,\) what is the degree measure of angle \(BAO?\)

(1) The degree measure of angle \(COD\) is \(60^{\circ}.\)
(2) The degree measure of angle \(BCO\) is \(40^{\circ}.\)

Answer: D

Source: GMAT Prep
Source: — Data Sufficiency |