Earth's surface

The greater part of the Earth's surface (r = 6371 km) is covered by oceans; their area is approximately 71% of the Earth's surface. What is the approximate area of the land?

Correct answer:

x =  147918697 km2

Step-by-step explanation:

r=100%71%=110071=0.29 R=6371 km  S=4π R2=4 3.1416 63712510064471.9098 km2  x=r S=0.29 510064471.9098=147918697 km2



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