amandawilkins19 amandawilkins19

11-01-2017
Mathematics

contestada

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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PropertyOfMistahJ PropertyOfMistahJ

11-01-2017

What are the coordinates of point B?

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gabbypascual03 gabbypascual03

13-01-2017

the answer is (-1,3)

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