Center of mass abnormal shape experiment:

(1) when you hang the shape from the pin it balances to that point. How is the mass distributed on either side of the lines you draw when it's hanging like this?

(2)what does the point where the three lines intersect represent?

(3) is the third line necessary to find the center of mass? Why?

these questions are just based off me cutting an irregular cardboard shape out, hanging it with a push pin, and then drawing the lines that intersect.