Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 3 - Section 3.2 - Corresponding Parts of Congruent Triangles - Exercises: 22



Work Step by Step

Given that triangle is right angle triangle where a=7 and c=8 and b has to be found formula for finding hypoteneus of right andle triangle is $a^{2}$+$b^{2}$=$c^{2}$ so after putting values of a and b, $7^{2}$+$b^{2}$=$8^{2}$ 49+$b^{2}$=64 $b^{2}$=15 b=$\sqrt 15$=3.87
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