Question

Operating on the triangle. using a straightedge, draw a random triangle. now carefully cut it out. next amputate the angles by snipping through adjacent sides. now move the angles together so the verticles all touch and the edges meet. what do you conclude about the sum of the angles of a triangle?

Answer 1

The sum of the measures of the angles in a triangle is always 180 degrees.

If you follow the procedure in the question, you will have a straight angle when you put the pieces together. All straight angles have 180 degrees. Therefore, there are 180 degrees in every triangle.