3 years ago

In circle O, AC and BD are diameters What is mAB?

Mathematics

1 answer:

Gennadij [26K]3 years ago

7 0

Answer:

120

Step-by-step explanation:

angle AC = 180, so 3x = 180, so x = 60. Accoding to the Adajacent Angle Theorem, 2x = AB, so AB = 120.

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