Statements Reasons
1. ACICD
Given
AABC is similar to ACED
2
Property of similar triangles
3. slope of AC =
Definition of slope
slope of CD =
CD
AC
4. slope of x slope of
DE EE Multiplying the slopes
5. slope of AC x slope of CD = Ex Substitution property of equality
6. slope of AC x slope of CD--1
Simplifying the right side
The table shows the proof of the relationship between the slopes of two perpendicular lines. What is the missing statement in step 2?