3) Classify the triangle with vertices \((-10, -4), (-5, 5), (13, -5)\).
4) Find the vertices of an isosceles triangle that has a perimeter of \(7 + 2\sqrt{41}\)
5) Find the vertices of a scalene triangle that has a perimeter of \(28\) units.
6) How many different isosceles triangles can you find that have a perimeter of \(24\) units and integer side lengths?