Răspuns :
[tex]AD= \frac{AB*AC}{BC}
\\ \\ AD= \frac{12*9}{15} = \frac{108}{15} =7,2 (cm)[/tex]
ialtinea corespunzatoare ipotenuzei= cateta1*cateta2/ipotenuza
AD= AC*AB/BC=12*9/15=12*3/5=36/5=7,2cm
as simple as that!!!
AD= AC*AB/BC=12*9/15=12*3/5=36/5=7,2cm
as simple as that!!!