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shtirl [24]
3 years ago
13

!00 points HELP!!!!! Missy’s rotation maps point K(17, –12) to K’(12, 17). Which describes the rotation?

Mathematics
2 answers:
RSB [31]3 years ago
8 0

Answer:

90° counterclockwise rotation

Plot the situation


ohaa [14]3 years ago
8 0

Answer:

90° counterclockwise rotation

Step-by-step explanation:

A 90° counterclockwise rotation maps every point (x, y) to (-y, x).

K(17, -12) is mapped to K'(12, 17).  The x- and y-coordinates are switched and the y-coordinate is negated (before being switched).  This means

(x,y)→(-y,x).

This is a 90° counterclockwise rotation.

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