humera wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced.If the yard has an area of 680 feet,how many feet of fencing does she need?

Question

anonymous · Answer

@amanij10  help

anonymous · Answer

@calculusfunctions can u explain me?

calculusfunctions · Answer

I will teach you of course, as long as you're willing to do your part. Deal?

anonymous · Answer

deal

calculusfunctions · Answer

OK so first I want you to show me what you think a labelled diagram for this will look like.

anonymous · Answer

|dw:1351674118905:dw|

calculusfunctions · Answer

Remember that one side is not counted. Thus
|dw:1351674196521:dw|
Understand?