Elementary Technical Mathematics

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

Chapter 12 - Section 12.5 - Circles - Exercise - Page 410: 25

Answer

$w=C=13.4~in$

Work Step by Step

The width of the rectangular piece is the same as the circumference of the pipe. Since the pipe is a circle, we use the formula for the circumference of a circle: $w=C=\pi*d=\pi*4.25~in=13.35~in\approx13.4~in$
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