Errata – Geometry, 5th Edition


Cover for 5th Edition

Release Date:
April 24, 2012

5.0

Page Loc Description Erroneous Text Correction
17 Top The formula for the area of a rhombus is incorrect. The diagonals should be multiplied, not added. (Diagonal1 + Diagonal2)/2 (Diagonal1 * Diagonal2)/2
103 Top In the explanation for #2, the first equation should begin with the parenthetical expression (3 * 3x), NOT (3 + 3x).    
114 Mid The explanation incorrectly states that the expression under the radical is b^2 = 4ac. the expression under the radical sign, b^2 = 4ac the expression under the radical sign, b^2 – 4ac
123 Mid The chart that appears next to problem #9 is a duplicate of the chart for problem #7. It is not part of the explanation for problem #9.