Which of the following polygons can tile the plane?
I: scalene triangle
II: equilateral triangle
A) I only
B) II only
C) both I and II
D) neither

Question

Which of the following polygons can tile the plane? 
I: scalene triangle
II: equilateral triangle
A) I only
B) II only
C) both I and II
D) neither

Quizplus · Accepted Answer

Both scalene and equilateral triangles can tile the plane. Scalene triangles can be arranged in pairs to form parallelograms, which can tile the plane. Equilateral triangles naturally fit together without gaps or overlaps, making them ideal for tiling the plane.

Which of the Following Polygons Can Tile the Plane