Line BD is tangent to a circle with a diameter AB. Which of the following is a right angle?

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A: Solution

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Q: Select all that apply. O A'C' is perpendicular to C'B". mLA = mLA' O AB = A'B' O CC' = BB'

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Q: help

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Q: What is the value of the angle marked with ? 10.5 48° 8 » 21.0 20.1 » 9.9

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