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
Jim G.
Jun 14, 2017

(1,-5)" and " (2,-7)

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)

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