Решить следующие задачи

1) s = 6*a^2; s=54(dm)^2; 6*a^2=54(dm)^2; a^2 = 9(dm)^2; a = √9(dm)^2; a =3dm;2) a=5sm; b=11sm; c=8sm; s(osn) = a*b=5*11=55(sm)^2;S(bok)=P(osn)*h =2*(a+b)*h = 2*(5+11)*8=16*16=256(sm)^2; S(poln)= S(bok)+2*s(osn) = 256(sm)^2 + 2*55(sm)^2= (256+110) (sm)^2= 366(sm)^2;