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Given: tangent to Circle O. If m C = 57°, then m BDR =
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5 votes
Given: tangent to Circle O.

If m C = 57°, then m BDR =

User Yekta
by
8.1k points

1 Answer

5 votes
∠BCD = 57°
∴ ∠BDR = ∠BCD = 57° (angle that meets the chord and the tangent is equi-angular to the angle at the alternate segment)
User Robintw
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