in every polygon that has n sides there are?

0 ⤊

a)n triangle
b)n/2 triangle
c)2n triangle
d)n-2 triangle

2007-04-17 12:54:59 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

at least n-2 triangles (so d)

take a square:
4 sides - 2 triangles
take a hexagon:
6 sides - 4 triangles.

Draw it out if you need more help.

2007-04-17 12:59:33 · answer #1 · answered by ClooneyIsAGenius 2 · 0⤊ 0⤋

D--(n-2)

2007-04-17 19:57:36 · answer #2 · answered by bruinfan 7 · 0⤊ 0⤋