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
Problem 3CT
Related questions
Question
Write all the coordinates of the vertices after a rotation 90 degrees counterclockwise around the origin. Give me the points.
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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