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If polygon ABCD rotates 90° counterclockwise about the origin to create polygon A′B′C′D′, what are the coordinates of point B′ ?
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If polygon ABCD rotates 90° counterclockwise about the origin to create polygon A′B′C′D′, what are the coordinates of point B′ ?

User FBronner
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2 Answers

4 votes
What are the coordinates of point B?
User Nicholas Siegmundt
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4 votes
the answer is (-1,3)
User ProdigySim
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