imjakie94
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Help!
5) Rotate 90 counterclockwise about the origin.

7) Rotate 90 counterclockwise about the origin.
(Im not sure if I’m doing this right)

Help 5 Rotate 90 counterclockwise about the origin 7 Rotate 90 counterclockwise about the origin Im not sure if Im doing this right class=

Respuesta :

Answer:

5. A' (5,-3) B'(5,-12) C'(0,-7)

6. A'(3,9) B'(3,4) C'(-3,4) D'(-3,9)

Step-by-step explanation:

The Rule for 90 degrees counterclockwise is (x,y) becomes (-y,x)

reinhard10158

Step-by-step explanation:

the other answer is right. and the reason is as described in my answer to the other question with a rotation of 90° counterclockwise.

x and y trade places and the new x (old y) flips the sign.

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