The idea may be taught orally with the assistance of paper folding.
- Angle bisector
A line which divides the angle of a triangle into two halves is called the angle bisector.
The idea of angle bisector may be taught with the assistance of paper folding.
- Incenter
The point of concurrence of the angle bisectors of a triangle is called as the incenter
of a triangle and is normally denoted by the letter I.
Once the child is clear with the angle bisectors, the idea of incenter may be taught
orally with the assistance of necessary Braille material assisted by paper folding.
A
B D C
θθ
A
E
C D B
I