Question

Fie punctele coliniare M N P in aceasta ordine . Determina lungimile segmentelor mn si np in urmatoarele cazuri : a. MP =15 cm si MN/NP =2/3 b.MP=7,5 cum si NP/MN=2 Va rooooog !

Answer 1

A. MN+NP=15

MN/NP=2/3, MN=2NP/3

2NP/3+NP=15

2NP+3NP=45

5NP=45, NP=9, MN=6

B.MN+NP=7.5

NP=2MN,

3MN=7.5, MN=2.5, NP=5