I would like to start a “Geometry Marathon”
Here are the Rules:
Please number your problems and solutions so that people will know which problem/solution you are referring to.
I will post the first problem. Then someone else can post a full solution to my problem in addition to posting a new problem. If you don’t have a new problem, you can always use someone else’s problem! But make sure to cite the source you used to get the problem.
Here is the first problem:
The perimeter of a quadrilateral is 10. l is the diagonal of the quadrilateral. Find the sum of all possible values of l where l is a positive integer. (Problem 1)