Posted by Lucy needs help now on .
Please help me. I have cut up the paper and followed the directions, I do not know what mathematical truth this is. help help help. I don't understand this. the problem is below:
Cut a piece of paper to form a triangle shape. Tear off the three corners of the triangle. Then put the three corners together. Describe what you see. What mathematical truth does this activity illustrate?

algebra 
Matthew,
Hi, Lucy, this is Matthew's mom, if you put the three corners together you would get 1/2 a circle or circumference. I hope this helps you.