What percent of the earth’s surface is covered by water?
About 71 % of the is covered by water.
The surface area of the Earth is ##5.1 × 10^8 “km”^2##.
The water segment has an area of ##3.6 × 10^8 “km”^2##.
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Order Paper NowSo the percent of Earth’s surface that is covered by water is
##(3.6 × 10^8 color(red)(cancel(color(black)(“km”^2))))/(5.1 × 10^8 color(red)(cancel(color(black)(“km”^2)))) × 100 % = 71 %##
If you could form all of the into a sphere, it would have a diameter of 1385 km.
That’s a lot smaller than Earth itself.