The symbol that we knew since young is
But Dr Yeap told us that half of the people in the world used this symbol to represent division and the other half of the world used this : as the symbol for division.
This is an insight for me as I never knew this before.
Today we are going to find the area of a triangle.
I used three different methods to find out the area of this triangle and got the same answer for these three methods.
You may try the links to know more........http://www.mathplayground.com/howto_area_triangle.html