# How to Find the Area of an Octadecagon?

An octadecagon is an 18-sided polygon. The area of an octadecagon can be calculated by the equation for regular polygon area, which is 1/4 * number of sides * one side's measurement squared * cotan...
Read More »

http://www.ehow.com/how_8116130_area-octadecagon.html

## How do you find the area of a rectangle whose leng2The width of a photograph is 4 cm more than three tenths of the length If the width is 13 cm find the length?

4 x 13 = 52cm2 Length x Width = Area

http://wiki.answers.com/Q/How_do_you_find_the_area_of_a_rectangle_whose_leng2The_width_...

## How to Find the Area in Math?

Finding the area of a shape is very simple, as long as you know the proper formula. The most common shapes to find the area of are rectangles and circles. Each of these shapes has its own distinct ...
Read More »

http://www.ehow.com/how_6374507_area-math.html

## How to Find Area Codes?

Even if you have free long distance on your home or wireless phone service, you still need to enter an area code when dialing phone numbers that are outside your local calling region. You may not b...
Read More »

http://www.ehow.com/how_6550762_area-codes.html

## How to Find Area Measurements?

Finding area measurements is a daunting task if you don't know where to begin. However, you can easily find the measurements of an area by using a number of different tools. There are plenty to cho...
Read More »

http://www.ehow.com/how_8170374_area-measurements.html