A line segment with endpoints at (5 , -8 )(5,8) and (2, -2 )(2,2) is rotated clockwise by (3 pi)/23π2. What are the new endpoints of the line segment?

1 Answer
Nov 30, 2016

A'(8,5)

B'(2,2)

Explanation:

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"assume that rotating point is origin"

"the image of B is B"'

B(x,y) rArr B'(-y,x)

B(2,-2)rArrB'(2,2)

"the image of A is "A'

A(x,y) rArr A'(-y,x)

A(5,-8)rArr A'(8,5)