Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 9 - Review Exercises - Page 431: 10

Answer

r$\approx$3.46 cm

Work Step by Step

l=2r (2r)$^2$=6$^2$+r$^2$ 4r$^2$=36+r$^2$ 3r$^2$=36 r$^2$=12 r$\approx$3.46
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