Răspuns :
1.)a)A___N_M_C_P_B;
b)[BM]=[AB]:2=6:2=3
[NC]=[AC]:2=4:2=2
[MN]=[NC]=2=>[MN]=2:2=1
c)[BP]=2:2=1
[MP]=[BC]=[MP]=>[MP]=2
[NP]=[MP]+1=3
2.) I) A
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B/________C
P=AC+AB+BC=5+5+6=10+6=16cm
2) / A \
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B / __________\C
P=AC+AB+BC=6+6+5=12+5=17cm
b)[BM]=[AB]:2=6:2=3
[NC]=[AC]:2=4:2=2
[MN]=[NC]=2=>[MN]=2:2=1
c)[BP]=2:2=1
[MP]=[BC]=[MP]=>[MP]=2
[NP]=[MP]+1=3
2.) I) A
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B/________C
P=AC+AB+BC=5+5+6=10+6=16cm
2) / A \
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/ \
/ \
/ \
/ \
B / __________\C
P=AC+AB+BC=6+6+5=12+5=17cm