Question

if a point P is a middle point ab segment MN if MN = 9 CM then what is the length of PM ?​

Answer 1

I think this is what you mean:-

Question:-

If P is the middle point of MN and MN = 9cm what is the length of PM.

Answer:-

MN = 9cm

MN = PM + PM

9cm = 2PM

PM = 9/2

PM = 4.5cm

Answer 2

Answer:

PM = 4.5 cm

Step-by-step explanation:

Given - MN = 9cm

P is midpoint of MN

:- PN = PM = MN

____

2

:- PM = MN

____

2

:- PM = 9cm

_____

2

:- PM = 4.5 cm