3 years ago

If O is the center of the circle and ABC = 24 degrees, what is the measure of BDC?

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

8 0

Answer:

∠BDC = 66°

Step-by-step explanation:

∠OCB ≅ ∠OBC, so is 24°. ΔDBC is inscribed in a semicircle, so ∠DBC is a right angle. That makes ∠BDC complementary to ∠BCD:

∠BDC = 90° -24°

∠BDC = 66°

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