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Why when plugging the formula for crossectional it gives a different value than 6650m2. The table shown, shows 6650 mm2 and with the equation for A= is 6617 please solve and make sure with the equation

Why when plugging the formula for crossectional it gives a different value than 6650m2. The table shown, shows 6650 mm2 and with the equation for A= is 6617 please solve and make sure with the equation

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Why when plugging the formula for crossectional it gives a different value than 6650m2. The table shown, shows 6650 mm2 and with the equation for A= is 6617 please solve and make sure with the equation it gives you 6650mm2
A24 Appendix E d X- Appendix E Properties of Rolled-Steel Shapes (SI Units) W Shapes Y (Wide-Flange Shapes) Flange Web Axis X-X Axis Y-Y Thick Thick- Depth Width A, mm? d, mm b, mm S, 10° mm 103 mm mm Area S. 10° mm* 103 mm³ ness ness ly ry Designation' t, mm tw mm mm W310 x 143 18200 323 310 22.9 14.0 347 2150 138 112 728 78.5 107 13600 312 305 17.0 10.9 248 1600 135 81.2 531 77.2 74 9420 310 205 16.3 9.40 163 1050 132 23.4 228 49.8 60 7550 302 203 13.1 7.49 128 844 130 18.4 180 49.3 52 6650 318 167 13.2 7.62 119 747 133 10.2 122 39.1 44.5 5670 312 166 11.2 6.60 99.1 633 132 8.45 102 38.6 38.7 4940 310 165 9.65 5.84 84.9 547 131 7.20 87.5 38.4 32.7 4180 312 102 10.8 6.60 64.9 416 125 1.94 37.9 21.5 23.8 3040 305 101 6.73 5.59 42.9 280 119 1.17 23.1 19.6 W250 x 167 21200 290 264 31.8 19.2 298 2060 118 98.2 742 68.1 101 12900 264 257 19.6 11.9 164 1240 113 55.8 433 65.8 80 10200 257 254 15.6 9.4 126 983 111 42.9 338 65.0 67 8580 257 204 15.7 8.89 103 805 110 22.2 218 51.1 58 7420 252 203 13.5 8.00 87.0 690 108 18.7 185 50.3 49.1 6260 247 202 11.0 7.37 71.2 574 106 15.2 151 49.3 44.8 5700 267 148 13.0 7.62 70.8 531 11 6.95 94.2 34.8 32.7 4190 259 146 9.14 6.10 49.1 380 108 4.75 65.1 33.8 28.4 3630 259 102 10.0 6.35 40.1 308 105 1.79 35.1 22.2 22.3 2850 254 102 6.86 5.84 28.7 226 100 1.20 23.8 20.6 W200 x 86 11000 222 209 20.6 13.0 94.9 852 92.7 31.3 300 53.3 71 9100 216 206 17.4 10.2 76.6 708 91.7 25.3 246 52.8 59 7550 210 205 14.2 9.14 60.8 582 89.7 20.4 200 51.8 52 6650 206 204 12.6 7.87 52.9 511 89.2 17.7 174 51.6 46.1 5880 203 203 11.0 7.24 45.8 451 88.1 15.4 152 51.3 41.7 5320 205 166 11.8 7.24 40.8 398 87.6 9.03 109 41.1 35.9 4570 201 165 10.2 6.22 34.4 342 86.9 7.62 92.3 40.9 31.3 3970 210 134 10.2 6.35 31.3 298 88.6 4.07 60.8 32.0 26.6 3390 207 133 8.38 5.84 25.8 249 87.1 3.32 49.8 31.2 22.5 2860 206 102 8.00 6.22 20.0 193 83.6 1.42 27.9 22.3 19.3 2480 203 102 6.48 5.84 16.5 162 81.5 1.14 22.5 21.4 W150 x 37.1 4740 162 154 11.6 8.13 22.2 274 68.6 7.12 91.9 38,6 29.8 3790 157 153 9.27 6.60 17.2 220 67.6 5.54 72.3 38.1 24 3060 160 102 10.3 6.60 13.4 167 66.0 1.84 36.1 24.6 18 2290 153 102 7,11 5.84 9.20 120 63.2 1.24 24.6 23.3 13.5 1730 150 100 5.46 4.32 6,83 91.1 62.7 0.916 18.2 23.0 W130 x 28.1 3590 131 128 10.9 6.86 10.9 167 55.1 3.80 59.5 32,5 23.8 3040 127 127 9.14 6.10 8.91 140 54.1 3.13 49.2 32.0 W100 x 19.3 2470 106 103 8.76 7.11 4.70 89.5 43.7 1.61 31.1 25.4 'A wide-flange shape is designated by the letter W followed by the nominal depth in millimeters and the mass in kilograms per meter.
Transcribed Image Text:A24 Appendix E d X- Appendix E Properties of Rolled-Steel Shapes (SI Units) W Shapes Y (Wide-Flange Shapes) Flange Web Axis X-X Axis Y-Y Thick Thick- Depth Width A, mm? d, mm b, mm S, 10° mm 103 mm mm Area S. 10° mm* 103 mm³ ness ness ly ry Designation' t, mm tw mm mm W310 x 143 18200 323 310 22.9 14.0 347 2150 138 112 728 78.5 107 13600 312 305 17.0 10.9 248 1600 135 81.2 531 77.2 74 9420 310 205 16.3 9.40 163 1050 132 23.4 228 49.8 60 7550 302 203 13.1 7.49 128 844 130 18.4 180 49.3 52 6650 318 167 13.2 7.62 119 747 133 10.2 122 39.1 44.5 5670 312 166 11.2 6.60 99.1 633 132 8.45 102 38.6 38.7 4940 310 165 9.65 5.84 84.9 547 131 7.20 87.5 38.4 32.7 4180 312 102 10.8 6.60 64.9 416 125 1.94 37.9 21.5 23.8 3040 305 101 6.73 5.59 42.9 280 119 1.17 23.1 19.6 W250 x 167 21200 290 264 31.8 19.2 298 2060 118 98.2 742 68.1 101 12900 264 257 19.6 11.9 164 1240 113 55.8 433 65.8 80 10200 257 254 15.6 9.4 126 983 111 42.9 338 65.0 67 8580 257 204 15.7 8.89 103 805 110 22.2 218 51.1 58 7420 252 203 13.5 8.00 87.0 690 108 18.7 185 50.3 49.1 6260 247 202 11.0 7.37 71.2 574 106 15.2 151 49.3 44.8 5700 267 148 13.0 7.62 70.8 531 11 6.95 94.2 34.8 32.7 4190 259 146 9.14 6.10 49.1 380 108 4.75 65.1 33.8 28.4 3630 259 102 10.0 6.35 40.1 308 105 1.79 35.1 22.2 22.3 2850 254 102 6.86 5.84 28.7 226 100 1.20 23.8 20.6 W200 x 86 11000 222 209 20.6 13.0 94.9 852 92.7 31.3 300 53.3 71 9100 216 206 17.4 10.2 76.6 708 91.7 25.3 246 52.8 59 7550 210 205 14.2 9.14 60.8 582 89.7 20.4 200 51.8 52 6650 206 204 12.6 7.87 52.9 511 89.2 17.7 174 51.6 46.1 5880 203 203 11.0 7.24 45.8 451 88.1 15.4 152 51.3 41.7 5320 205 166 11.8 7.24 40.8 398 87.6 9.03 109 41.1 35.9 4570 201 165 10.2 6.22 34.4 342 86.9 7.62 92.3 40.9 31.3 3970 210 134 10.2 6.35 31.3 298 88.6 4.07 60.8 32.0 26.6 3390 207 133 8.38 5.84 25.8 249 87.1 3.32 49.8 31.2 22.5 2860 206 102 8.00 6.22 20.0 193 83.6 1.42 27.9 22.3 19.3 2480 203 102 6.48 5.84 16.5 162 81.5 1.14 22.5 21.4 W150 x 37.1 4740 162 154 11.6 8.13 22.2 274 68.6 7.12 91.9 38,6 29.8 3790 157 153 9.27 6.60 17.2 220 67.6 5.54 72.3 38.1 24 3060 160 102 10.3 6.60 13.4 167 66.0 1.84 36.1 24.6 18 2290 153 102 7,11 5.84 9.20 120 63.2 1.24 24.6 23.3 13.5 1730 150 100 5.46 4.32 6,83 91.1 62.7 0.916 18.2 23.0 W130 x 28.1 3590 131 128 10.9 6.86 10.9 167 55.1 3.80 59.5 32,5 23.8 3040 127 127 9.14 6.10 8.91 140 54.1 3.13 49.2 32.0 W100 x 19.3 2470 106 103 8.76 7.11 4.70 89.5 43.7 1.61 31.1 25.4 'A wide-flange shape is designated by the letter W followed by the nominal depth in millimeters and the mass in kilograms per meter.
6:12 Step1 a) Solution given data d- 317 tw = 7.6 mm 167 mm %3D t4 = 13. 2 mm fq Step2 b) > Nou, the ginon cron -section u ginona,. A veacA) = (d xby ) - Cd-2tj) y (bj- tw) =(317x 167 )- ( 317-2y 13-2)× (169 - 7.6) Ansa A vaa = 6617.36 mm 2 OY A ra 2 byx t + tuxld-24) Avea 2x167X13.2+7.6x (317-2y 13.2) Anea = 6617.36 mmL inen crou -see dim auea Comen out ho be A = 6617.36 mm e hot 66 50 mm2
Transcribed Image Text:6:12 Step1 a) Solution given data d- 317 tw = 7.6 mm 167 mm %3D t4 = 13. 2 mm fq Step2 b) > Nou, the ginon cron -section u ginona,. A veacA) = (d xby ) - Cd-2tj) y (bj- tw) =(317x 167 )- ( 317-2y 13-2)× (169 - 7.6) Ansa A vaa = 6617.36 mm 2 OY A ra 2 byx t + tuxld-24) Avea 2x167X13.2+7.6x (317-2y 13.2) Anea = 6617.36 mmL inen crou -see dim auea Comen out ho be A = 6617.36 mm e hot 66 50 mm2
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