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Pentatrap
Author:
John Golden
Topic:
Trapezoid
Yoshiaki Araki shared a great tile, from a symmetric division of a Penrose rhomb into isosceles trapezoids. Thought we had to play with it!
https://twitter.com/alytile/status/1350212006687592448
GeoGebra
New Resources
Construct a Square
Stairs (Optical Illusion)
Introduction
Angles and Intersecting Lines: Quick Investigation
Teorema Japonês para quadriláteros inscritos em uma circunferência
Discover Resources
Activity 5.3.1 Radians and Degrees 7
Спираль Фибоначчи.
Rampa Definitiva
Division of negative numbers
Addition of Integers on the Number Line
Discover Topics
Vectors 2D (Two-Dimensional)
Parametric Curves
Polygons
Optimization Problems
Similarity Transformation or Similarity