Mathematics
Grade9
Easy
Question
What is the justification (reason)?
X is the midpoint of 
AX = BX
- reflexive property
- definition of segment bisect
- definition of a midpoint
- substitution property
Hint:
definition of a midpoint .
The correct answer is: definition of a midpoint
Given
X is the midpoint of
AX = BX
According to the definition of a midpoint X is the midpoint of line AB
If AX = XB
SO , By definition of a midpoint .
Use the property of midpoint .
X is the midpoint of line AB
If AX = XB
