In such questions, instead of working towards the answer, we have have to work back from them.

The formula for volume is:

Volume = base area x height

However, we are already given the volume. So, we will work backwards and use the value of volume to calculate the base area (since we also have the height).

Volume = base area x height

12566.4 = base area x 8

base area = 12566.4/8

base area = 1570.8 cm

Now, the cylinder has a circular base. Area of a circle can be calculated from:

Area = pi x (radius)

We have just found the area and we know that pi=3.14. So, we can find the radius of the cylinder from here:

Area = pi x r

1570.8 = 3.14r

r

r

r = square root of 500.25

r = 22.36 cm

Thus, the radius of the cylinder is 22.36 cm. We need to find it to the nearest tenth of a centimeter. So, we round it off to one decimal place.

Hence, our answer would be:

radius =~ 22.4 cm

The formula for volume is:

Volume = base area x height

However, we are already given the volume. So, we will work backwards and use the value of volume to calculate the base area (since we also have the height).

Volume = base area x height

12566.4 = base area x 8

base area = 12566.4/8

base area = 1570.8 cm

Now, the cylinder has a circular base. Area of a circle can be calculated from:

Area = pi x (radius)

^{2}We have just found the area and we know that pi=3.14. So, we can find the radius of the cylinder from here:

Area = pi x r

^{2}1570.8 = 3.14r

^{2}r

^{2}= 1570.8/3.14r

^{2 }= 500.25r = square root of 500.25

r = 22.36 cm

Thus, the radius of the cylinder is 22.36 cm. We need to find it to the nearest tenth of a centimeter. So, we round it off to one decimal place.

Hence, our answer would be:

radius =~ 22.4 cm

^{ }(answer)^{}