Question

Find the coordinates of the vertices of the triangle after a 270° rotation

Answer 1

Explanation:

(a). 270° clockwise or 90° counterclockwise:

(x, y) --------> ( - y, x )

(b). 270° counterclockwise or 90° clockwise:

(x, y) ---------> ( y, - x )

Answer 2

X′(3,–1), Y′(2,–5), Z′(–1,–3)

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