Mathematics, 19.10.2021 15:30 mrfishyyyy

After a rotation of 180° about the origin, the coordinates of the vertices of the image of a triangle are A'(6,3), B'(-2, 1), and C (1,7). What is the y-coordinate of the pre-image for vertex
A?
(2 points)

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After a rotation of 180° about the origin, the coordinates of the vertices of the image of a trian...