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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asked Sep 17, 2021 119k views

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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)

Mathematics
high-school

Soundflix asked

by Soundflix

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1 Answer

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Answer:

(-2,-1) after the original point (2,1) goes through the change of -y,x

Explanation:

George Howarth answered Sep 21, 2021

by George Howarth

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