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Points A(-4,1), B(-1,4) and C(-1,1) are the vertices of triangle ABC. What will be the coordinates of the image of point B if triangle ABC is rotated 90 degrees clockwise about the origin?  

 Nov 27, 2020
 #1
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90° clockwise rotation rule (about the origin)  for a point

 

(x , y)  →   (y, -x)

 

Swap x and y......change the  sign on x 

 

Can you take it  from here   ???

 

 

cool cool cool

 Nov 27, 2020

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