A line segment with endpoints at (1 , -2 ) and (1, -4 ) is rotated clockwise by pi/2. What are the new endpoints of the line segment?

1 Answer
Jim G.
Nov 20, 2016

(1,-2)to(-2,-1),(1,-4)to(-4,-1)

Explanation:

I am assuming a rotation about the origin.

Under a clockwise rotation about the origin of pi/2

"a point " (x,y)to(y,-x)

rArr(1,-2)to(-2,-1)

and (1,-4)to(-4,-1)

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