If parallelogram JKLM is rotated 270° counterclockwise around the origin, what are the coordinates of the endpoints of the side congruent to side KL in the image parallelogram?

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asked Dec 17, 2017 46.8k views

1 vote

If parallelogram JKLM is rotated 270° counterclockwise around the origin, what are the coordinates of the endpoints of the side congruent to side KL in the image parallelogram?

Mathematics
high-school

Sudhakar Krishnan asked

by Sudhakar Krishnan

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No graph, so cannot be precise.
But you can apply rotation 270 CCW = rotation -90 CCW

r_[90] : (x,y) -> (y,-x)

Jiri Kralovec answered Dec 17, 2017

by Jiri Kralovec

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1 vote

Answer:

K′(−6, −4); L′(−3, −3)

Explanation:

Lucem answered Dec 23, 2017

by Lucem

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