The surface area formula for any sphere is 4(pi)(radius)^2
The radius is half of the diameter.
18.6 / 2 = 9.3
So, plug into the formula and solve.
4(3.14)(9.3)^2 = 1086.3 mm^2
9$ for three cans then 9/3= 3 $ per can
Answer:
day also you have the same knowledg
The second choice than the fir2nd choice than the first choice for the second question
