Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - Chapter Review - Page 74: 32



Work Step by Step

use the distance formula $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ substitute $d=\sqrt{(5-(-7))^2+(8-0)^2}$ simplify in parentheses $d=\sqrt{(12)^2+(8)^2}$ $d=\sqrt{144+64}$ $d=\sqrt{208}$ $d=14.4$
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