Posted by **Janise** on Tuesday, January 25, 2011 at 9:03pm.

How many different rectangles can you make so that each one has a perimeter of 16 inches?

- Math(geometry) -
**helper**, Tuesday, January 25, 2011 at 9:10pm
Formula for perimeter,

P = 2L + 2w

2L + 2w = 16

2(L + w)= 16

L + w = 8

You need numbers that add to 8.

8 + 0 = 8

7 + 1 = 8

6 + 2 = 8

See how many you can come up with.

There might be any easier way, that I'm not thinking about.

Good luck

- Math(geometry) -
**helper**, Tuesday, January 25, 2011 at 9:11pm
Cross off 8 + 0 = 8.

Can't have a side of 0.

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