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area_of_circles [2012/04/04 19:25] ddrummond |
area_of_circles [2012/04/05 19:47] (current) ddrummond [Surveying Corrections] |
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| ====== Area of Circles & Surveying Corrections ====== | ====== Area of Circles & Surveying Corrections ====== | ||
| + | ===== Area of Circles and Square Feet Equivalents ===== | ||
| + | ^ Area in Acres ^ Square Dimension ^^ Radius of Circle ^^^ | ||
| + | ^ ^ Feet ^ Meters ^ Feet ^ Meters ^ Chains ^ | ||
| + | | 1 \ 1,000 | 6'7.2" | 2.1 | 3'8.7" | 1.14 | 0.056 | | ||
| + | | 1 \ 100 | 20'10.5" | 6.36 | 11'9.3" | 3.59 | 0.18 | | ||
| + | | 1 \ 20 | 46'8.0" | 14.2 | 26'4.0" | 8.03 | 0.40 | | ||
| + | | 1 \ 10 | 66'0" | 20.1 | 37'2.8" | 11.35 | 0.56 | | ||
| + | | 1 \ 5 | 93'4.1" | 28.5 | 52'7.9" | 16.05 | 0.80 | | ||
| + | | 1 \ 4 | 104'4.3" | 31.8 | 58'10.5" | 17.95 | 0.89 | | ||
| + | | 1 | 208'8.5" | 63.6 | 117'9.0" | 35.89 | 1.78 | | ||
| + | |||
| + | ===== Surveying Corrections ===== | ||
| + | ^ Difference in Bearing or Elevation for a Distance of One Mile ^^^^ | ||
| + | ^ Angle ^ Difference (Feet) ^ Angle ^ Difference (Feet) ^ | ||
| + | | 1° | 92.16 | 8° | 742.06 | | ||
| + | | 2° | 184.38 | 9° | 836.27 | | ||
| + | | 3° | 276.71 | 10° | 931.01 | | ||
| + | | 4° | 369.21 | 11° | 1026.33 | | ||
| + | | 5° | 461.94 | 12° | 1122.30 | | ||
| + | | 6° | 554.95 | 13° | 1218.98 | | ||
| + | | 7° | 648.30 | 14° | 1316.45 | | ||
| + | |||
| + | NOTE: One minute of angle makes a difference of 1.536 feetper mile. | ||
area_of_circles.1333567552.txt.gz · Last modified: 2012/04/04 19:25 by ddrummond
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