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8 January, 15:32

Select the correct answer.

If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′?

A.

(2, 1)

B.

(-2, - 1)

C.

(-2, - 2)

D.

(-2, 0)

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Answers (1)
  1. 8 January, 16:23
    0
    A' (-1, 2)

    Step-by-step explanation:

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

    A' (-1, 2)

    B' (1, - 2)

    C' (2, - 2)

    D' (0, - 2)
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