Explicación paso a paso:
[tex]A=\frac{\pi* r^{2} }{2} \\A=\frac{\pi *8^{2} }{2}\\A=\frac{\pi *64 }{2}\\A=\pi *32\\A=100,5309m^{2}[/tex]
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Explicación paso a paso:
[tex]A=\frac{\pi* r^{2} }{2} \\A=\frac{\pi *8^{2} }{2}\\A=\frac{\pi *64 }{2}\\A=\pi *32\\A=100,5309m^{2}[/tex]