What is a possible way to tile the plane with a general isosceles triangle?
I: six at a vertex
II: four or eight at a vertex
A) I only
B) II only
C) both I and II
D) neither I nor II

Question

What is a possible way to tile the plane with a general isosceles triangle? 
I: six at a vertex
II: four or eight at a vertex
A) I only
B) II only
C) both I and II
D) neither I nor II

Quizplus · Accepted Answer

The Answer of What is a possible way to tile the plane with a general isosceles triangle? 
I: six at a vertex
II: four or eight at a vertex
A) I only
B) II only
C) both I and II
D) neither I nor II

What Is a Possible Way to Tile the Plane with a General