Respuesta :

Answer:

390.8 ft2 I think

Step-by-step explanation:

Answer:

390.8

Step-by-step explanation:

2[tex]\pi[/tex][tex]r^{2}[/tex]+2[tex]\pi[/tex]rh

2[tex]\pi[/tex][tex]4.9^{2}[/tex]+2[tex]\pi[/tex]4.9(7.8)

48.02[tex]\pi[/tex]+76.44[tex]\pi[/tex]

124.46[tex]\pi[/tex]=

390.8044