Which of the following polygons can tile the plane?
I: nonsquare rhombus
II: nonequilateral isosceles 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: nonsquare rhombus
II: nonequilateral isosceles triangle
A) I only
B) II only
C) both I and II
D) neither

Quizplus · Accepted Answer

Both a nonsquare rhombus and a nonequilateral isosceles triangle can tile the plane. A nonsquare rhombus can tile the plane by rotating around a vertex, and a nonequilateral isosceles triangle can do so by pairing with a mirrored version of itself to form a parallelogram, which tiles the plane.

Which of the Following Polygons Can Tile the Plane