A triangle's coordinates are (-2,1), (-6,1), and (-4, 5). After the triangle is rotated clockwise 270°about the origin, what are the new coordinates?

Question

Mathematics

Belinda Pope

15 October, 03:39

A triangle's coordinates are (-2,1), (-6,1), and (-4, 5). After the triangle is rotated clockwise 270°about the origin, what are the new coordinates?

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Nathalia Henderson · Answer 1

The new coordinates are (-1, - 2), (-1,-6) and (-5,-4). Rotating a triangle clockwise 270 degrees about the origin is the same thing as rotating a triangle 90 degress counterclockwise. Here is my work:

1: Original Coordinates: (-2,1), (-6,1), (-4,5)

2: y value signs turn negative: (-2,-1), (-6,-1), (-4,-5)

3: Switch x and y values: (-1,-2), (-1,-6), (-5,-4)