What is the measure of ∠ABD?
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check the picture below.
bearing in mind that the radius and a tangent line, whenever they meet, they always do it at right-angles, namely the point of tangency is always 90°.
Answer:
bearing in mind that the radius and a tangent line, whenever they meet, they always do it at right-angles, namely the point of tangency is always 90°.
Step-by-step explanation: