Question

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)

Answer 1

I think the answer would be D. am i right?

Answer 2

@IrishBoy123

Answer 3

Hello @T-dog2660

how is one to tell?

you didn't post the original co-ordinates.

Answer 4

my bad one sec

Answer 5

@IrishBoy123 posted it

Answer 6

draw it and get yourself some tracing paper or trace it through a thin sheer.