Mainly for Eurocentric reasons. The triangle was well known more than 1800 years before Pascal. In Iran it is known as the Khayyam triangle (Omar Khayyam , 11-12 century); in China, it is known as Yang Hui's triangle after the Chinese mathematician from the 13th century.
Excel 2007 has 1,048,576 rows, so it has more than 65,536 rows. Excel 2003 had 65,536 rows and it was not possible to increase that.
No a pentagon has way more angles than a triangle does.
a more than 3 sided triangle a triangle with more than one obtuse/right angle
No, a triangle can not have more than one right angle.
No, a triangle can not have more than one right angle.
So people could figure adding easier than normal if it was just writen normally on a sheet
who many more sides does a pentagon have than a triangle.
A decagon has 7 more sides than a triangle. A triangle has 3 and a decagon has 10.
It is impossible for a triangle to have more than one right angle.
An obtuse triangle
Two ways only. 4 rows with 25 stamps each or 5 rows with 20 stamps each.