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

1 answer:

Mrac [35]3 years ago

4 0

Answer:

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

Step-by-step explanation:

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