Question

Calculate the surface area of a sphere whose radius is 8mm

Answer 1

surface area of a sphere 4(3.14)r^2 = 4(3.14)(8)^2 =803.84

Answer 2

surface area is given by the relation
\[ S= 4* \pi * r^2\]
\[ S=4 *\ pi* 8^2\]
\[ S=803.84 mm^2\]

Answer 3

thanks!