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3 years ago

7

Angle C is inscribed in circle O. AB is a diameter of circle O. What is the measure of ZB?

1 answer:

Soloha48 [4]3 years ago

5 0

Answer:

∠ B = 19°

Step-by-step explanation:

note ∠ C = 90° ( angle in a semi- circle )

The sum of the 3 angles in the triangle = 180°, thus

∠ B = 180° - (90 + 71)° = 180° - 161° = 19°

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