Respuesta :

jaimyrenji

Answer:

Step-by-step explanation:

volume=[tex]1/3\pi  r^2h +2/3\pi r^3[/tex][

tex]=1/3\pi *9*4+2/3\pi  *3^3[/tex]

=[tex]12\pi +18\pi[/tex]= 30 [tex]\pi[/tex] volume

Answer:

3 cm and 4 cm.

Step-by-step explanation:

The height of the hemisphere is the same as its radius, 3 cm.

The height of the cone = 7 - 3 = 4 cm.

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