# A line segment with endpoints at #(5 , -2 )# and #(2, -7 )# is rotated clockwise by #pi/2#. What are the new endpoints of the line segment?

##### 1 Answer

Oct 9, 2017

#### Explanation:

#"assuming the rotation is about the origin"#

#"under a clockwise rotation about the origin of "pi/2#

#• " a point "(x,y)to(y,-x)#

#rArr(5,-2)to(-2,-5)#

#rArr(2,-7)to(-7,-2)#