A line segment with endpoints at #(5, 1)# and #(7, 2)# is rotated clockwise by #pi/2#. What are the new endpoints of the line segment?
1 Answer
Jun 14, 2017
Explanation:
#"I am assuming the rotation is centred at the origin"#
#"under a clockwise rotation about the origin of " pi/2#
#"a point " (x,y)to(y,-x)#
#rArr(5,1)to(1,-5)#
#rArr(7,2)to(2,-7)#
