Triangle Angles Investigation

This morning in maths we investigated the angles of triangles angles of triangles.

Firstly we had drawn an equilateral triangle onto a piece of paper, from their we then cut the triangle out and and tore the three corners of the triangle. We put the three corners next to each other on an imaginary straight line. We know that a straight line is 180 degrees. We then repeated what we had already done except we used an isosceles angle.