Points A and B are at (3 ,8 ) and (7 ,3 ), respectively. Point A is rotated counterclockwise about the origin by pi and dilated about point C by a factor of 5 . If point A is now at point B, what are the coordinates of point C?
1 Answer
Apr 18, 2018
C=
Explanation:
Here Point A=(3,8).
Rotating 'bout the origin by
Again if the point
We know dilation of the coordinates are,Let k be the scale factor and (a,b) be the point C.
For a,
For b,
Hence