Respuesta :

carlafossil320
The area for the curved surface area of a cone is pi×r×l
L=length of slope
R=radius (1/2 of diameter)
3.14×6×12=226.08
Now for the bottom of the cone:
pi×r^2
3.14×6^2=113.04
113.04+226.08=339.12cm^2