Răspunsuri

2014-11-07T22:36:37+02:00
Se da:
MNP-triunghi
MQ=18 cm
MN=42 cm
MR=15 cm
RP=?

Rezolvare:
Dupa teorema lui Thales-   \frac{MQ}{MR} =\frac{QN}{RP}
QN=MN-MQ
QN=42-18=24 cm
 \frac{18}{15}= \frac{24}{x}
x= \frac{15*24}{18} =20

Raspuns: RP=20cm
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