Order these numbers from least to greatest. 7.39, 7.3962, 7.309, 7.8°​

7.8, 7.309, 7.39, 7.3962

Hope this helps and my apologies if this is wrong it should not be though I did it on paper lol.

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!