# How to Find the Areas of Trapezoids & Parallelograms?

A polygon is a geometric figure bounded by only straight lines. A trapezoid is a four-sided polygon with two parallel sides. The parallel sides are known as the bases of the figure. A parallelogram...
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http://www.ehow.com/how_8139163_areas-trapezoids-parallelograms.html

## How Do I Calculate the Areas of Parallelograms & Trapezoids?

The area of any geometrical figure is the amount of space within its perimeter or borders. A trapezoid is a four-sided figure with one pair of parallel sides. These sides are called base 1 and base...
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http://www.ehow.com/how_6827917_do-areas-parallelograms-_amp_amp_-trapezoids_.html

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

Trapezoids and parallelograms both have four sides. The difference between the shapes is that a parallelogram is formed by two sets of parallel sides, and a trapezoid only has one set of parallel s...
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http://www.ehow.com/how_8086938_area-trapezoids-parallelograms.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 Areas of Circles?

The area of a circle is a measure of the space contained within a circle. You may be required to find this quantity in a middle school, high school or college math class. This skill may also come i...
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http://www.ehow.com/how_8211609_areas-circles.html