Question 4
In quadrilateral $ABCD$, $\angle ABC=\angle BAD=90^\circ$. Point $E$ is on $AB$ such that $BE\times(BC-AD)=AE\times BC$. If $BC-AD=1$ cm and $\angle ADB=2\angle BCE$, find the length of $BD$ in cm.
Show your detailed solution.
Answer: ______ cm
Show your detailed solution.
Answer: ______ cm