Question

Find the surface area for a sphere with a radius of 10 feet. @iGreen

Answer 1

How difficult can it be once you know the formula?

Answer 2

\[S.A = 4 \times \pi \times r^2\]

Answer 3

so now

Answer 4

\[4 \times \pi \times 10 ^2\]

Answer 5

\[4 \times \pi \times 10 \times 10\]

Answer 6

10^2 = 10 times 10

Answer 7

\[4 \times \pi \times 100\]

Answer 8

\[400 \times \pi\]

Answer 9

pi can either be taken as \[\frac{ 22 }{ 7 } or 3.14\]

Answer 10

Thank you!