Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.8 Pythagorean Theorem - 8.8 Exercises: 40

Answer

The unknown length in the window frame is $= 5$ ft.

Work Step by Step

Let $H =$ hypotenuse of the triangle / unknown length in the window frame $a^{2} + b^{2} = c^{2}$ $4^{2} + 3^{2} = H^{2}$ $16 + 9 = H^{2}$ $25 = H^{2}$ $H = \sqrt 25$ $H = 5$ ft
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