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gulaghasi [49]
3 years ago
15

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

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
8 0
∠BCD = 57°
∴ ∠BDR = ∠BCD = 57° (angle that meets the chord and the tangent is equi-angular to the angle at the alternate segment)
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