Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.12 - Multiplication and Division of Decimal Fractions - Exercises - Page 72: 32


38 mm

Work Step by Step

The perimeter is the sum of the lengths of the sides. Since the octagon has 8 equal sides, you can multiply the length by 8 to find the perimeter. $4.75\ mm\times8=38\ mm$
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