It has 9 diagonals
It has 2 diagonals
No such thing as a four-sided triangle !
a triangle has 0 lines of symmetry.
There are 119 diagonals.
3
what is 3-D triangel called?
Just one.
Is the triangel kill alot of poeple?
no because an equalateral triangel is equal to all sides and an iscoselise trangel has only 2 equal sides.
im not sure i just saw it on youtube but your able to do it im sure of it
It has 1,345,890 diagonals
three line of symmetry
just one
why cant a triangel have 2 right angels
A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.
24 diagonals