Errata – Geometry, 2nd Edition
Cover for 2nd Edition
2.0
| Page | Location | Description | Erroneous Text | Correction |
|---|---|---|---|---|
| 40 | Middle | #3 explanation | shaded region represents 3/4 the area | shaded region represents 3/4 of the area |
| 51 | Bottom | Missing punctuation | length of side AC = 5sqrt(2)Using the same figure | length of side AC = 5sqrt(2). Using the same figure |
| 57 | Bottom | #18 answer | 18. 3 and 4: | 18. 3 or 4: |
| 63 | Top | #1 answer (units) | 1. 256 square units: | 1. 256 inches2: |
| 63 | Bottom | #5 answer (units) | 5: 20sqrt(2): | 5. 20sqrt(2) meters: |
| 64 | Top | #8 answer (units) | 8. 4sqrt(3): | 8. 4sqrt(3) inches: |
| 64 | Top | #9 answer (units) | 9. 16sqrt(3): | 9. 16sqrt(3) cm2: |
| 66 | Middle | #13: Quantity A approximation | 1 + 2 + 1.4 + 1.7 = 5.1 | 1 + 2 + 1.4 + 1.7 = 6.1 |
| 81 | Middle | #5: The solids are rectangular, not cubes | …larger cube is 8 times the volume of the smaller cube. | …larger solid is 8 times the volume of the smaller solid. |
| 81 | Bottom | #8: Clarity | 8. 20, 21: | 8. Area = 21, Perimeter = 20: |
| 82 | Top | #9: Clarity | 9. 28, 48: | 9. Area = 48, Perimeter = 28: |
| 87 | Top | #2 | the perimeter is 9 2/3, or 6 inches. | the perimeter is 9 × 2/3, or 6 inches. |
| 102 | Top | 3rd line of text | stack of circles, each with an area or pi r2. | stack of circles, each with an area of pi r2. |
| 106 | Top | #11, 2nd line of text | and anglde BAC is 45º | and angle BAC is 45º |
| 110 | Top | #8 | then Jane will need 0.2 buckets to paint the entire column. | then Jane will need 10.2 buckets to paint the entire column. |
| 111 | Top | 2nd line of text: angle reference | Angle A, an inscribed angle, | Angle BAC, an inscribed angle, |
| 116 | Top | #2 figure labels | 20, x, y, and z | 20º, xº, yº, and zº |
| 116 | Bottom | #3 figure labels | a, b, c, and d | aº, bº, cº, and dº |
| 117 | Bottom | #4 – #5 figure labels | a, b, c, d, e, f, g, h | aº, bº, cº, dº, eº, fº, gº, hº |
| 117 | Bottom | #4 and #5 (both) | If angle g = 120, | If g = 120, |
| 119 | Top | #2 | Because x and 20 are supplementary | Because xº and 20º are supplementary |
| 119 | Top | #2 | Because y and 20 are vertical | Because yº and 20º are vertical |
| 122 | Top | #16 figure labels | a, b, c, d, e, f | aº, bº, cº, dº, eº, fº |
| 122 | Middle | #17 figure labels | w, x, y, z | wº, xº, yº, zº |
| 125 | Top | #17 figure labels | w, x, y, z | wº, xº, yº, zº |
| 155 | Middle | #12 Quantity A | The y-intercept o\f the line | The y-intercept of the line |
| 170 | Top | #5 | Triangle XYZ and Rectangle JKLM | Triangle ABC and Rectangle JKLM |
| 183 | Top | 3rd line of text | so that is the length of Rectangle OPQR. | so that is the width of Rectangle OPQR. |
| 184 | Bottom | #5 explanation | Triangle XYZ and Rectangle JKLM | Triangle ABC and Rectangle JKLM |
| 206 | Top | Clarity | …the area A of a square and its perimeter is given by… | …the area A of a square and its perimeter P is given by… |
| 209 | Top | #1 figure | {Lines for top front/right edges of the cube are missing} | |
| 213 | Top | #11 figure labels | a, b, c, d, e, f | aº, bº, cº, dº, eº, fº |
| 217 | Bottom | #20 | The coordinates of point B are (-3, -4) | The coordinates of point B are (-3, +4) |
| 217 | Bottom | #20 | The coordinates of point C are (-7, -7) | The coordinates of point C are (-7, +7) |
| 219 | Top | #1 | arc PQR = 5/6(4pi) = 20/6pi = 10/3pi | arc PQR = 5/6(4pi) = 20pi/6 = 10pi/3 |
| 219 | Top | #1 Quantity A | 10/3pi | (10/3)pi |
| 219 | Bottom | #5 | Combining, y + z = 180… | Combining, y + x = 180… |
| 221 | Bottom | #13 | …the diagonal QR = 12, | …the diagonal SQ = 12, |
| 228 | Bottom | #16 answer | 16. A: | 16. E: |
| 229 | Middle | #19 typo, 2nd line | supplementarty | supplementary |
| 241 | Middle | #20 | point D is at (-4, -3) | point D is at (-4, +3) |
| 241 | Middle | #20 | point C is at (-7, -7) | point C is at (-7, +7) |