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Lapatulllka [165]
2 years ago
10

What is the surface area of a sphere with radius 2?

Mathematics
1 answer:
VladimirAG [237]2 years ago
8 0

\textit{surface area of a sphere}\\\\ SA=4\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=2 \end{cases}\implies \begin{array}{llll} SA=4\pi (2)^2\implies SA=16\pi \\\\\\ SA\approx 50.27 \end{array}

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