Angle of triangles
- Author:
- user2804
What is the size of (α + β) ?
(1) Consider the angles. Are there some angle with the same size?
(2) Move the right two squares with the help of the red point.
Try to solve the problem with the help of a new triangle.
(3) Consider the characteristics of an (special) triangle
(Hint1 and 2 may help you!)