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Getting a fence straight
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<blockquote data-quote="V_Key" data-source="post: 609085" data-attributes="member: 1300"><p>Math Way</p><p>Site:</p><p><a href="http://www.1728.com/trig.htm" target="_blank">http://www.1728.com/trig.htm</a></p><p></p><p>Steps:</p><p>Rotate Triangle so "A" is on Top and "B" is on the Bottom Right</p><p>Set a Transit centered on "A" looking down known Fence Line (Note Angle #1 on Transit)</p><p>Swing Transit to view "B" (Note: Angle #2 on Transit)</p><p>Subtract #1 and #2 to get Angle "A"</p><p>You could also measure the Distance from "A" to "B"</p><p>You now know:</p><p>2 Angles (1 Angle is 90°) and (1 Angle = "A"), the length of AB</p><p></p><p>Plug in the numbers Here:</p><p><a href="http://www.1728.com/trig.htm" target="_blank">http://www.1728.com/trig.htm</a></p><p></p><p>East Way</p><p>Pull a long String Down Known Fence Line</p><p>Set a Transit at "B"</p><p>View "A"</p><p>Swing Transit - 360°- (90°+ Angle "A") = Angle "B" Swing Transit and drive a stake at 90° Angle "C" (Transit View and String)</p></blockquote><p></p>
[QUOTE="V_Key, post: 609085, member: 1300"] Math Way Site: [url=http://www.1728.com/trig.htm]http://www.1728.com/trig.htm[/url] Steps: Rotate Triangle so “A” is on Top and “B” is on the Bottom Right Set a Transit centered on “A” looking down known Fence Line (Note Angle #1 on Transit) Swing Transit to view “B” (Note: Angle #2 on Transit) Subtract #1 and #2 to get Angle “A” You could also measure the Distance from “A” to “B” You now know: 2 Angles (1 Angle is 90°) and (1 Angle = “A”), the length of AB Plug in the numbers Here: [url=http://www.1728.com/trig.htm]http://www.1728.com/trig.htm[/url] East Way Pull a long String Down Known Fence Line Set a Transit at "B" View "A" Swing Transit - 360°- (90°+ Angle "A") = Angle "B" Swing Transit and drive a stake at 90° Angle "C" (Transit View and String) [/QUOTE]
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Getting a fence straight
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