4th grade
posted by Dianna .
How many shapes have a perimiter that's 30 cm?

4th grade 
SraJMcGin
Try here:
http://search.yahoo.com/search?fr=mcafee&p=how+many+shapes+have+a++perimeter+thats+30+cm
Sra 
4th grade 
Dr Russ
Any shape can have a perimeter of 30 cm, both regular and irregular.
see http://en.wikipedia.org/wiki/Polygon 
4th grade 
help
all but a circle

4th grade 
raelyn
2x_+2 x width = perimeter
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