Textbook Problem

Provide the missing statements and reasons in the following proof.

Given: In $\odot O$, chords $\overline{AD}$ and $\overline{BC}$ intersects at $E$.

Prove: $\frac{AE}{CE}=\frac{BE}{DE}$

PROOF
Statements	Reasons
1. $\underset{\_}{}$	1. $\underset{\_}{}$
2. $\angle AEB\cong \angle DEC$	2. $\underset{\_}{}$
3. $\angle B\cong \angle D$	3.If two inscribed angles intercept the same arc, these angles are congruent
4. $\Delta ABE\sim \Delta CDE$	4. $\underset{\_}{}$
5. $\underset{\_}{}$	5.CSSTP