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Geometry 4 Online
OpenStudy (anonymous):

HELP PLEASE! How can i rotate this 90 degrees clockwise?

OpenStudy (anonymous):

OpenStudy (anonymous):

@jdoe0001 @SolomonZelman @ganeshie8

OpenStudy (tkhunny):

Relationships don't change. Move the three vertices separately. (1,1) ==> (1,-1) (2,-3) ==> (-3,-2) (-4,-1) ==> (-1,4) Pattern Recognition: Swap the numbers and change the sign on the new y-value.

OpenStudy (anonymous):

Oh my god thank you so much. @tkhunny

OpenStudy (tkhunny):

There is a MUCH cleaner matrix version. Be ready for it when you trip over it.

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