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mckenzieandjesus
 one year ago
help what am i doing wrong?
In triangle DEF, DE = 5 and m<D=55. Find FE to the nearest tenth.
8.9
1.4
7.1
4.8
mckenzieandjesus
 one year ago
help what am i doing wrong? In triangle DEF, DE = 5 and m<D=55. Find FE to the nearest tenth. 8.9 1.4 7.1 4.8

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mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0i did 5*cos(55) = 2.867882182

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0DE=5 angle EDF=55^o FE=? tan\angle EDF=\frac{FE}{DE} tan55^o\approx1.4281 therefore: frac{FE{5}\approx 1.4281\RightarrowFE\approx 1.4281\times 5=7.1405\approx 7.1

mckenzieandjesus
 one year ago
Best ResponseYou've already chosen the best response.0oh ok thank u!
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