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by Maryah_Dee
Sat Mar 24, 2018 9:59 pm
Forum: Higher Secondary Level
Topic: Help!!!
Replies: 0
Views: 140

Help!!!

The base of a pyramid is a nine-sided convex polygon. Every diagonal of the polygon, and each pyramid's lateral edge is black or white. (The sides of the polygon at the base are not colored.) Demonstrate that there is three segments that have been colored with the same color and form a triangle.
by Maryah_Dee
Sat Mar 24, 2018 9:25 pm
Forum: Junior: Solved
Topic: An interesting problem
Replies: 0
Views: 274

An interesting problem

The base of a pyramid is a nine-sided convex polygon. Every diagonal of the polygon, and each pyramid's lateral edge is black or white. (The sides of the polygon at the base are not colored.) Demonstrate that there is three segments that have been colored with the same color and form a triangle.