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d²=(4√2)²+(3√2)²
d²=32+18
d²=50
d=√50=5√2
|DB|=|BC|=|DC|
P=P₁+P₂
P₁1=½*4√2*3√2=½*24=12
P₂=(5√2)²√3/4
P₂=50√3\4
P=12+50√3\4
P.S. to:
P₂=50√3\4
P=12+50√3\4
podzielić na 4 zapisz w ułamku ;p czyli 4 do mianownika