+0  
 
0
114
1
avatar+130 

Line segment OB has rotated 90˚ clockwise about center O. The coordinates of point B after the rotation is...

 

 

~Thanks, M

 Apr 17, 2021
 #1
avatar+121003 
+1

Rule for  90°  clock-wise rotation

 

(x , y)  ⇒   ( y, -x)

 

So

 

(6,3)  ⇒  ( 3, - 6)

 

cool cool cool

 Apr 17, 2021

9 Online Users