HERE’S HOW
Pressing down on one anchor pin of the
pentagon, hold the shape by an anchor pin
across from the first and pull up. What happens?
Five lines in one plane
WHAT’S HAPPENING
You made a flat pentagon. A pentagon is a shape with five sides.
All five rods are in the same plane. In geometry, a plane is a flat,
two-dimensional surface that extends infinitely far. Three
points always define a plane.
When you hold part of the pentagon down and pull up on the
other part, the pentagon bends and no longer occupies a
single plane. The warped pentagon is now a curved sruface.
Imagine all the buildings that have curved surfaces like this!
1
2
3 4
5
6
x
Done!
FLAT PENTAGON
To Next Page
Loading...
