Elementary Technical Mathematics

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

Chapter 12 - Section 12.3 - Triangles - Exercise - Page 398: 6



Work Step by Step

This is a right triangle. This means we can use the Pythagorean Theorem to find the length of the hypotenuse. The formula is $c=\sqrt (a^{2}+b^{2})$ In this case, $a=8.00cm$ $b=3.90cm$ So, $c=\sqrt (8^{2}+3.9^{2})$ $c=\sqrt (64+15.21)$ $c=\sqrt 79.21$ $c=8.90cm$
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