Answer :
Answer: S≈159043 km².
Step-by-step explanation:
D=550 km.
Hence,
[tex]\displaystyle\\S=\frac{\pi D^2}{4} \\\\S=\frac{\pi *550^2}{4} \\\\S=\frac{\pi *550*550}{4}\\\\ S=\pi *225*225\\S=50625\pi \\S\approx159043\ km^2.[/tex]
Answer: S≈159043 km².
Step-by-step explanation:
D=550 km.
Hence,
[tex]\displaystyle\\S=\frac{\pi D^2}{4} \\\\S=\frac{\pi *550^2}{4} \\\\S=\frac{\pi *550*550}{4}\\\\ S=\pi *225*225\\S=50625\pi \\S\approx159043\ km^2.[/tex]