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se considera triunghiul MNP cu MP=6 ,sinN=3/5 si sinP=4/5. cALCULATI LUNGIMEA

Răspuns :

Renatemambouko
notam MD inaltimea _I_ NP
sin P=MD/MP
4/5=MD/30
MD=30*4/5=24 cm

sin N=MD/NM
3/5=24/NM
NM=24*5/3=40

ND=√(40²-24²)=√(1600-576)=√1024=32 cm
DP=√(30²-24²)=√(900-576)=√324=18 cm
NP=32+18=50 cm

P=30+40+50=120 cm

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