Write all the coordinates of the vertices after a rotation 90 degrees counterclockwise around the origin. Give me the points.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section: Chapter Questions
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Write all the coordinates of the vertices after a rotation 90 degrees counterclockwise around the origin. Give me the points.
8
6
4
K
2
-4
-2
2
4
10
01-
-2
-4
Cop
$4
4.
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Transcribed Image Text:8 6 4 K 2 -4 -2 2 4 10 01- -2 -4 Cop $4 4. %#3 个
Expert Solution
Step 1

In 90° counterclockwise (x,y) changes to (-y,x).

So,

K(0,3) chanes to K'(-3,0)

L(0,10 ) changes to L'(-10,0)

M(-3,1) changes to M'(-1,-3)

J (-3,3) changes to J' (-3,-3)

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