In circle O, central angle AOB has a measure of 90°. Which of the following is not true?
segment OA is a radius
segments OA and OB are perpendicular
arc AB is a semicircle
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b is wrong segments OA and OB ate perpendicular arc AB is a semicircle
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Answer:
Segment OA is a radius = correct
Segment OA and OB are Perpendicular (90degrees) = correct
Arc AB is a semicircle - WRONG
therefore the CORRECT answer is that last option, as AB is NOT a semicircle.
Step-by-step explanation:
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