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Originally Posted by Punch Need Help! DT/AD = tan40. Find DT.
DT/BD = tanθ. Find θ.
Originally Posted by sa-ri-ga-ma DT/AD = tan40. Find DT.
DT/BD = tanθ. Find θ. but it isnt a right angled triangle, can we use this formula?
It is a right triangle. The mast, DT, is "vertical" and you are told the plot of land is "horizontal".
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