SOLUTION: The Earth is approximately a sphere. Its diameter is about 12 730 Km. Whater covers approximately 66% of the Earth's surface. How many Square kilometers of land covers the earth?

Algebra ->  Triangles -> SOLUTION: The Earth is approximately a sphere. Its diameter is about 12 730 Km. Whater covers approximately 66% of the Earth's surface. How many Square kilometers of land covers the earth?       Log On


   

Question 445198: The Earth is approximately a sphere. Its diameter is about 12 730 Km. Whater covers approximately 66% of the Earth's surface. How many Square kilometers of land covers the earth?
AND HOW?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Divide the given diameter by 2 to obtain the radius and then use the radius in the formula given in the answer to problem 445192. Take 34% of your answer to get the land area.

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism