Why the addition of all the angles in a triangle is of 180 degree?
08 Dec 2014, 08:07 PM
The top line( that touches the top of the triangle) is running parallel to the base of the triangle
So angles A are same, and angles B are same.
and we can easily see that A + C + B does a complete rotation from one side of the straight line to the other, or 180 degree.
So we can say that angles in a triangles is equal to 180 degree.
Login to add comment 23 Dec 2014, 07:27 PM