# Approximately 11% of land is under crop production. What is the area under crop production in km^2 (assuming the radius of the earth is approximately 6371 km)?

Approximately 11% of land is under crop production. What is the area under crop production in $k{m}^{2}$ (assuming the radius of the earth is approximately 6371 km)?
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altaryjny94
Step 1
$R=6371km$
$A=\pi {r}^{2}=\pi ×\left(6371{\right)}^{2}$
$=127516118k{m}^{2}$
Step 2
11% of this area is under crop production.
$=\frac{11}{100}×127516118k{m}^{2}$
$=14026772.98k{m}^{2}$
$=14.026×{10}^{6}k{m}^{2}$