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| Math Central | Quandaries & Queries |
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Question from nuel, a student: Hi, |
Nuel,
In my diagram $C$ is the centre of the circle, $A$ is the midpoint of the chord and $D$ is a point on the tangent line.
Angle $DBC$ is a right angle and you know the measure of angle $DBA$ and hence in the right triangle $ABC$ you know the measure of the angle $ABC$ and the length of $AB.$ Can you complete the problem from here?
Penny
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