# How to Calculate Area of a Trapezoid?

The trapezoid (known in Great Britain as a trapezium) is a four-sided polygon, or quadrilateral, whose key feature is a set of opposite sides that are parallel to one another. Because the other two...
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http://www.ehow.com/how_8158541_calculate-area-trapezoid.html

## How to Calculate the Area of a Trapezoid?

A trapezoid is a type of quadrilateral. It is unique in that its two parallel sides are not the same length. This means that they both qualify as a "base".

http://www.wikihow.com/Calculate-the-Area-of-a-Trapezoid

## How to Find the Area of an Isosceles Trapezoid?

An isosceles trapezoid is a quadrilateral shape with parallel top and bottom bases and two diagonal side legs of equal length. The base angles have the same measure and opposite angles are suppleme...
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http://www.ehow.com/how_8492812_area-isosceles-trapezoid.html

## How to Calculate the Area of a Box?

Area is a two-dimensional representation of the amount of space within a shape. You can find the area of a box by determining the surface area of the box's sides. A box has six sides. The opposite ...
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http://www.ehow.com/how_8137998_calculate-area-box.html

## How to Calculate Area Under an Arc?

A circle is a simple geometric shape. Circles occur frequently in our lives because their inherent properties are not only pleasing to the eye, but are also useful in practical constructions. Simpl...
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http://www.wikihow.com/Calculate-Area-Under-an-Arc