In triangle $ABC$, we have $AB=1$ and $AC=2$. Side $\overline{BC}$ and the median from $A$ to $\overline{BC}$ have the same length. What is $BC$? Express your answer in simplest radical form.
Question:
In triangle $ABC$, we have $AB=1$ and $AC=2$. Side $\overline{BC}$ and the median from $A$ to $\overline{BC}$ have the same length. What is $BC$? Express your answer in simplest radical form.
Answer:
Let's think step by step.

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\sqrt{2}
In triangle $ABC$, we have $AB=1$ and $AC=2$. Side $\overline{BC}$ and the median from $A$ to $\overline{BC}$ have the same length. What is $BC$? Express your answer in simplest radical form.
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