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July 31, 2014

July 31, 2014

Posted by **Alan** on Sunday, August 21, 2011 at 4:13pm.

Please verify if 72.2 meters is the height of the tower.

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**bobpursley**, Sunday, August 21, 2011 at 4:19pmLabel the figure, T is the top of the tower, Dis the base of the tower.

angle DAT=13

angle DB=6

AB = 1100m

find DT

from the figure, AT/sin13=1100/Sin(13-6) solve for AT.

then, AT/sin90=DT/sin13

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**Alan**, Sunday, August 21, 2011 at 4:47pmThanks for your help, I guess we took different approaches to this so now I'm a little confused. Is it possible to explain a little clearer?

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**bobpursley**, Sunday, August 21, 2011 at 9:17pmI drew the figure. I saw two triangles. In one, I used the law of sines (I knew two angles, one side) to find the other side, then used that side (common to the other triangle, to solve height with the law of sines again.

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**Alan**, Sunday, August 21, 2011 at 10:03pmWonderful help. Thank you.

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