Question

Aflati aria unei sfere care are volumul egal cu 0,288
\pi dm³.

Answer 1

V=$\frac{4*pi*r^3}{3} =0,288 *pi$
r³=0,864:4
r³=0,216
r³=0,6³
r=0,6
A=4*π*r²
A=4*(0,6)²*π=1,44π