### Exercise condition:

3
Evaluate the length of $$BC$$ if $$BD =$$ 27.71 $$cm$$ and $$D$$ is the midpoint of $$BC$$.

(Note: If the answer is a whole number mention as it is, if not round the answer to a maximum of $$2$$ decimal places).

The length of the $$BC$$ is  $$cm$$.