well, such a rotation takes (x,y)→(y,-x)
so A→(5,0)
so, what do you think?
Point A in this figure is to be rotated 90° in a clockwise direction. The center of the rotation is the origin.
Link the the figure: h ttps://imgur.com/a/GjrXd1v
Where does point A end up?
A. on segment CD
B. inside triangle BCD
C. outside of triangle BCD
D. on segment BC
2 answers
D