coffeeandsugar222 coffeeandsugar222

22-11-2021
Mathematics

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Write the coordinates of the vertices after a rotation 90 degrees counterclockwise around the origin

Write the coordinates of the vertices after a rotation 90 degrees counterclockwise around the origin class=

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Nathanl0527 Nathanl0527

29-11-2021

Answer:

B'=(9 ,-1)

c'=(0 ,1)

D'=(9 ,-5)

Step-by-step explanation:

When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.

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