Answer
RK=1$\frac{4}{9}$
Work Step by Step
$\frac{RK}{KT}$$\times$$\frac{TH}{HS}$$\times$$\frac{GS}{RG}$=1
$\frac{RK}{3}$$\times$$\frac{5}{4}$$\times$$\frac{4}{3}$=1
5RK=9
RK=1$\frac{4}{9}$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 5 - Section 5.6 - Segments Divided Proportionally - Exercises - Page 267: 29
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