Posted by **Courtney** on Monday, February 15, 2010 at 6:16pm.

polly wants to build a rectangular dog pen for her poodle. She has 24ft of fencing in 1 ft sections. What are the dimensions of the best dog pen for polly's poodle? explain

Please help my teacher never explains just hands out problems

- Geometry -
**Ms. Sue**, Monday, February 15, 2010 at 6:18pm
What do you mean by "best?" Is it a long narrow pen so that the dog can run? Or is a pen with the most square feet?

- Geometry -
**Courtney**, Monday, February 15, 2010 at 6:21pm
problem problem just says rectangular dog ben nothing about squar feet so i am assuming so that the dog has the most room

- Geometry -
**Ms. Sue**, Monday, February 15, 2010 at 6:39pm
You might try a few possible dimensions to see which produces the largest pen.

A = 2L + 2W

A = 2(3) + 2(9)

A = 2(4) + 2(8)

A = 2(6) + 2(6)

- Geometry -
**Courtney**, Monday, February 15, 2010 at 6:50pm
A = 2(4) + 2(8)

8 + 16 = 24

then you would divide the 8 and the 16 by 2 giving the dimensions

4 4 8 8 =24

is this correct

- Geometry -
**Ms. Sue**, Monday, February 15, 2010 at 6:56pm
Right that would produce a pen that was 4 feet wide and 8 feet long. It would contain 32 square feet.

However a square pen that was 6 feet on each side would have an area of 36 square feet.

- Geometry -
**Courtney**, Monday, February 15, 2010 at 6:59pm
thank you

- Geometry -
**Ms. Sue**, Monday, February 15, 2010 at 7:05pm
You're welcome.

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