df-diagonala patratului
df=l√2
df=24√2 deci BD=AC=24√2 cm
in ΔABD cu A=90 ⇒AF-inaltime
AF=BA*AD/BD
AF=24*24/24√2
AF=24/√2
AF=24√2/2
AF=12√2
in ΔMDF cu D=90
MF²=MD²+FD²
MF²=(12√2)²+(12√2)²
MF=√96
MF=4√6
inΔMAF cu A=90
MA²=MF²-AF²
ma=4√3
P=MA+MC+AC
P=4√3+4√3+24√2
P=8√3+24√2
A=B*h/2
A=24√2*4√6/2
A=48√12
A=96√3
