Posted by **Colre** on Thursday, May 13, 2010 at 12:19am.

How to write an expression for the perimeter of the polygon. simplify the expression

- 7th grade pre-algebra -
**drwls**, Thursday, May 13, 2010 at 6:39am
You add up the lengths of all sides. If it is a regular polygon with N sides, each will have the same length, which we can call a. The perimeter is then

N a.

- 7th grade pre-algebra -
**gim**, Friday, May 21, 2010 at 8:34am
write the equation in function form

8x=4y=20

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