3 years ago

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

2 answers:

6 0

If the coordinates of point A are (x, y ) the coordinates of point A´ after rotation will be (-y, x)
Example: A ( 2,3 ) and A´( -3, 2 )

Over [174]3 years ago

3 0

Answer:

it is D -2,0

Explanation:

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