# What is the surface area of Mars?

The surface area of Mars is 89,500,000 square miles. It is 141,633,260 miles away from the sun. An average day on Mars is 24.19 hours, and one year on Mars is the equivalent of 1.9 Earth years.Sour... Read More »

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## How to Find the Surface Area of a Box?

Finding the surface area of a box is easy as long as you know the length of the sides. If you are just looking for a quick formula, it is: 2*(x*y + y*z + x*z). If you need some more guidance, pleas... Read More »
http://www.wikihow.com/Find-the-Surface-Area-of-a-Box

## Do gills have less surface area than lungs?

Yes. Gills have less surface area than lungs. Gills are special gas-exchange organs. They consist of thousands of filaments covered by folds called "lamellae." The gills absorbs oxygen from water... Read More »

## How to Find the Surface Area of a Sphere?

It can be very difficult to explain how the formula for the surface area of spheres was discovered. However, using the formula (4ÃÂ€r2)is actually quite simple.
http://www.wikihow.com/Find-the-Surface-Area-of-a-Sphere

## How to Find the Surface Area of Triangles?

A triangle is a polygon with three sides that may be equal or unequal. The surface area of a triangle is the total area of the surface within the boundaries of the triangle. Surface area is express... Read More »
http://www.ehow.com/how_8506172_surface-area-triangles.html

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