Răspuns :
48:4=12 => latura=12 cm
▲ ABC dreptunghic
=>
ac^2=ab^2+bc^2
ac^2=12^2+12^2
ac^2=144+144
ac^2=288
ac=12 radical din 2 cm
▲ ABC dreptunghic
=>
ac^2=ab^2+bc^2
ac^2=12^2+12^2
ac^2=144+144
ac^2=288
ac=12 radical din 2 cm