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
Answer:
13,21,34,55,89,144,233,377
Step-by-step explanation:
i did it in my mind and im correct
prob
I believe it's 3/10 but I'm not confident about that.
