# Point A is at #(-7 ,4 )# and point B is at #(2 ,-1 )#. Point A is rotated #pi # clockwise about the origin. What are the new coordinates of point A and by how much has the distance between points A and B changed?

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Feb 22, 2018

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Due to rotation of A distance reduced between A and B by **4.4646**

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Distance change

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