Check Your Understanding

A. In Circle O, AD ≅ BC,

1. If mAD = 60°, what is mBC?

2. If m ∠AOD = 85°, what is m∠ BOC?

3. If m∠AOD = 75°, what is mBC?

4. If mBC = 60°, what is m∠AOD?


Refer to the diagram below to solve the items in B and C.


B. Given radius OR ⊥ chord AB at C,

AC = 2x - 6, BC = x + 8

5-7) Find: AC, BC, and AB

C. Given OR ⊥ chord AB at C

AC = 4x + 10, BC = 7x - 5

8-10) Find: AC, BC, and AB.


Pasagot po plss yung tama at matino mark BRAINLIEST sino makakasagod ng tama at matino.

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