Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Appendix A - Review - A.2 Geometry Essentials - A.2 Assess Your Understanding - Page A19: 20

Answer

right triangle; hypotenuse is $10$.

Work Step by Step

The triangle is right if its sidelengths satisfy the Pythagorean Theorem.formula $c^2=a^2+b^2$ where $c$ is the length of the hypotenuse (longeset side). The given sides are $a=6,b=8$ and $c=10$ Substitute all the values into the formula above to obtain:. $(10)^2=(6)^2+(8)^2$ $100=36+64$ $100=100$ Both sides are equal. Hence, the triangle is a right triangle. The hypotenuse is the longest side of a right triangle. Hence, the hypotenuse is $10$.
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