Fortune Telling Collection - Horoscope - Twelve constellations Boeing 737_ Twelve constellations Bojiang

Twelve constellations Boeing 737_ Twelve constellations Bojiang

How many small triangles can a regular dodecagon consist of?

Solution: triangle = number of sides of n polygon-2 (n > a positive integer of 3)

= 12-2

= 10 (a small triangle)

A: A regular dodecagon can be composed of 10 small triangles.