catetele cā si cā
cā =5k
cā=6k
(5k)Ā²+(6k)Ā²=122Ā²
25kĀ²+36kĀ²=14884
kĀ²=244
k=2ā61
cā =5k=10ā61cm
cā=6k=12ā61cm
Aria triunghiului =(10ā61)x(12ā61)/2=3660 cmĀ²
inaltimea triunghiului h=3660x2/122=60 cm
proiectia catetei cā =ā[(10ā61)Ā²-60Ā²]=ā2500=50 cm
proiectia catetei cā=ā[(12ā61)Ā²-60Ā²]=ā5184=72 cm