Nature
The triangle was not invented. It is the result of observations of physical properties.
Jerusalem.
By Pascal
Pythagoras
bum
Cindy pham
Mr. Isocoles is the person who invented the isocoles triangle < (a triangle with two equal sides)
the xylophone was invented by Gusikov in 1830
I'm guessing after the triangle was made.
58
Nobody did
Because Pakistan invented the triangle