In right triangle $DEF$, we have $\angle D = 25^\circ$, $\angle E = 90^\circ$, and $EF = 9$.  Find $DE$ to the nearest tenth.  You may use a calculator for this problem.
Question:
In right triangle $DEF$, we have $\angle D = 25^\circ$, $\angle E = 90^\circ$, and $EF = 9$.  Find $DE$ to the nearest tenth.  You may use a calculator for this problem.
Answer:
Let's think step by step.

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19.3
In right triangle $DEF$, we have $\angle D = 25^\circ$, $\angle E = 90^\circ$, and $EF = 9$.  Find $DE$ to the nearest tenth.  You may use a calculator for this problem.
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