Question

find the surface area of a sphere with diameter 8cm to the nearest hundredth

Answer 1

The surface area of an sphere is given by:

$A=4πR$

where R will be equal to = 4 cm.

Replacing on the formula:

$\begin{gathered} A=4\timesπ\times4 \\ A=50.27cm^2 \end{gathered}$

ANSWER

surface area = 50.27cm²