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There are many ways. I just use one for instance:
tg(35.8)=AB/BD
~0.72=AB/(BC+20)
Another time:
tg(50.5)=AB/BC
~1.21=AB/BC
So :
(0.72)(BC+20)=(1.21)(BC)
And BC=29.38
Now AC=BC/cos(50.5) Therefore AC=46.19
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- Note on Untitled, created by 01000001 01000110 on 17/04/2018.
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- 01000001 01000110 · Apr 2018
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- Apr 17, 2018
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