in Δ DEF, DE = 5 and m<D=55 Find FE to the nearest tenth.
we have tan(D^)= FE/DE so : FE = DE * tan(D^)
so : FE = 5 * tan(55°) = 7.14
so is b.7.1 the solution
and please if you need something else call me first i will give you the best answer
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