Activity 04 - Irrational Excursions

Overview

Explore folding irrational numbers on paper.

Used a worksheet to explore $\sqrt{3}$ and $\sqrt{5}$ in triangles.

Origami model

Modular Origami ring.

Activity 12 from Project Origami.

Notes

Below are some origami instructions. Take a square and make a crease folding it in half vertically. Make a crease that connects the mid point of the top edge and the bottom right corner.

Assuming the side of square is 2 units, find the length of the line AC.