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perform a 45 degree rotation of triangle, a(1,1),b(2,3),c(5,2) about the arigin and p'(-1,-1)

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perform a 45 degree rotation of triangle, a(1,1),b(2,3),c(5,2) about the arigin and p'(-1,-1) Select the correct answer from above options

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When a triangle is rotated by 45 degrees then x1=xcos45-ycos45 and y1=xsin45+ycos45. While using the equation it is assumed that the rotation is counter-clockwise. A(0,0) is mapped on A1(0,0), B(1,1) is mapped on B1(0,1.4), C(5,2) is mapped on C1(2.1,4.9). For additional information on this visit relevant resources online or refer to appropriate references.

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