Answer
$36.6\ cm .$
Work Step by Step
The perimeter of a trapezoid is given by
$$ perimeter =sum ~of ~lengths ~of ~all ~sides= 8.60+8.00+5.00+15.0=36.6\ cm .$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 12 - Test - Page 445: 4
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