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Rotate the triangle clockwise 270 degrees around the origin. What are the vertices of the rotated triangle?

1 Answer

6 votes
To rotate the angle Ф around origin, the formula is:
(x cosФ - y sinФ, x sinФ + y cosФ, z)

So, (5 cos 270 - (-5 sin 270), 5 sin 270 + (-5 cos 270) , 9) = (-5, -5, 9)
User Dan Bray
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