ab=х>0
ah=х-3
bc^2=ab^2-ac^2=x^2-4
hc^2=bc^2-hb^2=ac^2-ah^2
x^2-4-9=4-(x-3)^2
x^2-13=4-x^2+6x-9
x^2-3x-4=0
x1=-1<0
x2=4
ab=4
ah=4-3=1
bc^2=4^2-4=12
bc=V12=2V3
hc^2=12-9=3
hc=V3
Sahc/Sbhc=ah*hc/2*2/bh*hc=ah/bh=1/3
ab=х>0
ah=х-3
bc^2=ab^2-ac^2=x^2-4
hc^2=bc^2-hb^2=ac^2-ah^2
x^2-4-9=4-(x-3)^2
x^2-13=4-x^2+6x-9
x^2-3x-4=0
x1=-1<0
x2=4
ab=4
ah=4-3=1
bc^2=4^2-4=12
bc=V12=2V3
hc^2=12-9=3
hc=V3
Sahc/Sbhc=ah*hc/2*2/bh*hc=ah/bh=1/3