Copy of opening a cube

Author:丁明智, Arthur Lee

A cube is divided into 6 congruent right pyramids. Drag the yellow dot to 'close' the cube. This shows the volume of a square base pyramid with height equal to half its base edge.

New Resources

bewijs stelling van Pythagoras
Untitled
Visualizing the Pythagorean Identity with Sine and Cosine
random coprime pairs
函數的單調性

Discover Resources

PS3-#1
Activity 1: Exploring Reflections
vulgar fractions
test
Урок 28(1)

Discover Topics

Quadratic Functions
Logarithmic Functions
Trapezoid
Continuity
Arithmetic Operations