Penrose Stairway

作成者:Ivan De Winne

The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Lionel Penrose and his son Roger Penrose.

新しい教材

Building Triangles with Set Areas
apec
Perimeter of Rectangle
Building Figures with Set Areas
functionartculture

教材を発見

angle
Writing Equations to Represent Tables 007
무리함수
FORUM-tentative-to-solve
From Secant to Tangent
เลื่อนขนาน

トピックを見つける

円錐
二次曲線
ベクトル (２次元)
関数
不等式