Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.CT: Test
Problem 12CT
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Question
Given A(6,3) has been dilated about the origin to A'(30,15). What scale factor was used?
Transcribed Image Text:Given A(6, 3) has been dilated about the origin to A'(30, 15). What scale factor was used?
Expert Solution
Step 1
Dilation factor = OA'/OA
OA =(6^2+3^2)^0.5
OA'=(30^2+15^2)^0.5
=5(6^2+3^2)^0.5
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