Answer :
[tex]\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r= 4 \end{cases}\implies SA=4\pi (4)^2 \\\\\\ SA=64\pi \implies SA\approx 201.06[/tex]
The surface area of the sphere is 201.14 sq.units.
What is Surface Area?
The surface area of a three dimensional figure is the area occupied by its exterior surfaces.
The radius of the sphere is 4
The surface area of a sphere is given by 4π r²
The surface area = 4 * π * (4)²
Surface Area = 4 * (22/7) * 16
Surface Area = 201.14 sq. unit
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