Question

Help please
http://prntscr.com/djjy8f
@3mar

Answer 1

use the proportionality of corresponding sides and so you can writing

MN PQ
--- = ---
ON PO

let NO = 2x so this mean that PO = x
in this case we can writing

14,4 PQ
----- = ---- => 14,4 = 2PQ => PQ = 7,2
2x x

hope helped

Answer 2

Sorry, I was not here, @poto!

The theorem is:
"The segment connecting the midpoints of two sides of a triangle is parallel to the third side and equals its half length"


SO that you can say:


Does it make sense now?


I apology again for being late! Excuse me...