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34 17 Perimeter 2x as big. 36 26.5 8 21 4 5. 5.4: p. 324: 1, 11-26. 1. Midpoints 38 13.5 19 55 55 125 Yes; half of 4 ½ ft is 27 in, so the 30 in timber will work.
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34 17 Perimeter 2x as big. 36 26.5 8 21 4 5 5.4: p. 324: 1, 11-26 1. Midpoints 38 13.5 19 55 55 125 Yes; half of 4½ ft is 27 in, so the 30 in timber will work.