Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 10 - Radical Expressions and Equations - Chapter Review - Page 654: 21

Answer

No, it is not a right triangle

Work Step by Step

You have to use the Pythagorean theorem to determine if this is a right triangle. A=0.7, B=2.3, C=2.5: $a^{2}$+$b^{2}$=$c^{2}$ $0.7^{2}$+$2.3^{2}$=$2.5^{2}$ -simplify the exponents- 0.49+5.29=6.25 -simplify like terms- 5.78 $\ne$ 6.25 They are not equal so this is not a right triangle.
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