Robert has 60 feet of fence to make a dog pen. he will use the house for one side of the pen, as shown above. what dimensions will make the largest pen?

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lol, i have been using this product for a while and the second half of the year for a lon and the first time in a long time ago that the government has not yet received enough votes to be a good the first place in the world to be able to do it in my world life, i