Blades

Author:Jonathan Holland

Two parallelgrams represent the same blade if they are in the same plane and have the same orientation and area. (Interact by rotating the scene. Also try pressing CTRL-R a few times.)

New Resources

Perpendicular Lines: Quick Exploration
繪畫垂直線
Pythagorean Theorem: Quick Illustrator
Slope Illustrator (2)
Congruent Figures

Discover Resources

Approximations
Average Rate of Change
stephanie_ConstructionofLines
JacquelineJourdan(medians in a triangle)
一組物件的幾分之幾是多少？

Discover Topics

Numbers
Arithmetic Operations
Area
Tangent Function
LCM and GCD