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23-10-2020
Mathematics

contestada

What is the image of (8, 2) after R-90°?*

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oclemania oclemania

23-10-2020

Answer:

(-2, 8)

Step-by-step explanation:

When rotating an image 90 degrees, x and y switch places and te new x coordinate becomes the opposite sign.

(x,y) -> (-y, x)

so

(8,2) -> (-2,8)

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