tions. 9. In the accompanying diagram, \( C D \) is tangent to circle \( O \) at \( B, A O \) and \( B O \) are radii, and chord \( \overline{A B} \) is drawn. If \( m \angle A O B=108 \), find \( m \angle A B D \). Flip the page over.
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We have a circle \(O\) with a tangent \(CD\) at point \(B\). \(AO\) and \(BO\) are radii of the circle, and \(AB\) is a chord. We are given that the measure of angle \(AOB\) is \(108^\circ\). Show more…
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