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Mathematics 11 Online
OpenStudy (anonymous):

Angle ABC is rotated 90 degrees counterclockwise about the origin to form angle A′B′C′. Which statement shows the measure of angle A′B′C′? m∠A′B′C′ = 90 degrees m∠A′B′C′ = 180 degrees m∠A′B′C′ = m∠ABC m∠A′B′C′ = 2 × m∠ABC

OpenStudy (anonymous):

OpenStudy (anonymous):

@DuckDynastyfan923

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