Antarctica comprises about 10.5% of the total land area on Earth. Antarctica has a surface area of about 5,400,000 square miles. What is the total land area on Earth?

Answer :

196.9 million mi².........................
johnkellock
Solution
(5.4 x 10^6)/10.5 = 514285.71
514285.71 x 100 = 51,428,571 square miles

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