# 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...
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http://www.ehow.com/how_8506172_surface-area-triangles.html

## How to Find the Area of Triangles & Trapezoids?

Trapezoids and triangles are two geometric shapes. A triangle is any three-sided figure. A trapezoid is a four-sided figure with one pair of parallel lines. You might want to calculate the area of ...
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http://www.ehow.com/how_8101809_area-triangles-trapezoids.html

## 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...
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http://www.wikihow.com/Find-the-Surface-Area-of-a-Box

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

The surface area of a cone can be useful if you need to cover an architectural surface that is conical. Knowing the surface area will allow you to pre-order just enough material to complete the job...
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http://www.ehow.com/how_7547996_surface-area-cone.html

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

Determining the surface area of a square allows you to find the amount of material needed to cover the shape or the amount of squares required to cover a wall or floor when performing a home improv...
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http://www.ehow.com/how_7343412_surface-area-square.html