Question

1.
ABC~ MNP.

Dacă AB = 4cm, BC = 6cm şi

MN = 10cm atunci NP = .......cm
a) 10; b)12; c)15; d)6 .
2. Dacă
triunghiul ABC~ triunghiul MNP

, AB=8, BC=10, MP=9,

NP=15, atunci AC + MN este egal cu:
a)18; b)24; c)42; d)6

AJUTATI MA!!!! DAU COROANA​

Answer 1

1. ABC~MNP => AB/MN=BC/NP => NP=MN•BC/AB=10•6/4=15cm


2. ABC~MNP=>AB/MN=BC/NP=AC/MP
10/15=AB/MN=>MN=15•8/10=12cm
10/15=AC/MP=>AC=10•9/15=6cm

AC+MN=6+12 = 18cm (a)