Question

please answer please

Answer 1

Answer:

idk about the answer you heed to make sence i do not get the thing that you are trying to tell me

Step-by-step explanation:

Answer 2

Answer:

(4) 240π cm^2

Step-by-step explanation:

height=7cm

volume=448πcm2

volume of the cylinder=π(r^2)*h

448πcm^2=π(r^2)7

448/7=r^2

r^2=64

r=8cm

total surface area=2πr(r+h)

=16π(15)

=240π cm^2