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Mathematics 9 Online
OpenStudy (anonymous):

Angle PQR is formed by segments PQ and QR on the following coordinate grid:

OpenStudy (anonymous):

OpenStudy (anonymous):

Angle PQR is rotated 90 degrees counterclockwise about the origin to form angle P'Q'R'. Which statement shows the measure of angle P'Q'R'? m∠P'Q'R' = 90 degrees m∠P'Q'R' = 180 degrees m∠P'Q'R' = m∠PQR m∠P'Q'R' = 2 ⋅ m∠PQR

OpenStudy (anonymous):

Im thinking c

OpenStudy (anonymous):

@amistre64 can you check?

OpenStudy (anonymous):

@Michele_Laino @misty1212 @Nnesha @iambatman

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