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Triangle PQR has its vertices at the following coordinates: P(5,-4) Q(3,-5) R(1,-1) Give the coordinates of the image triangle P'Q'R' after a 90° counterclockwise rotation about the origin.
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Triangle PQR has its vertices at the following coordinates:

P(5,-4) Q(3,-5) R(1,-1)
Give the coordinates of the image triangle P'Q'R' after a 90° counterclockwise
rotation about the origin.

User Jstevenco
by
3.8k points

1 Answer

7 votes

Answer:

P'(4, 5) Q'(5, 3) R'(1, 1)

Explanation:

When rotating a point 90 degrees counterclockwise about the origin our point T(x,y) becomes T'(-y,x).

User Tarken
by
4.4k points
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