Tags » Geometry

Cosmo 3 Temari #3

Oh I am so happy. After 3 balls start to finish using this design, I got it. Hoopla, bells and whistles. Don’t get me wrong here, all 3 look good even in their individual details. 66 more words


Easy foorp

That proof can also be done sort of backwards and is arguably easier that way. Instead of using three triangles of known dimensions and proving they can be assembled into a rectangle, start with the rectangle and find the dimensions of the triangles. 105 more words


Easy proof

Sheesh, how have I lived this long and not seen this proof of the Pythagorean Theorem?

Here’s a right triangle, with legs and and hypotenuse . 243 more words


Windmill Temari

The design for this Temari was a puzzle. Having seen one and had discussion through the conversation thread on Temari Challenge on how to do it, I contacted  my Russian Temari friend and asked her if she could help me figure out how to do the design. 201 more words


A Few of My Favorite Spaces: The Bicylinder by Evelyn Lamb

A Few of My Favorite Spaces: The Bicylinder

Also known as mouhefanggai or the Steinmetz solid, this shape appeared in the first Chinese explorations of the volume of a sphere… 6 more words