# How does the wheel of Theodorus work?

## How does the wheel of Theodorus work?

The Spiral of Theodorus approximates the Archimedean spiral. Just as the distance between two windings of the Archimedean spiral equals mathematical constant pi, as the number of spins of the spiral of Theodorus approaches infinity, the distance between two consecutive windings quickly approaches π.

What is the Pythagorean spiral used for?

Pythagorean Spirals can be found in nature in many forms. Spiral composed of connecting right triangles. Used to prove that all non-square integers from 3 to 17 are irrational.

### What are the uses of square root spiral in daily life?

Some real life examples of square root spiral are pouring cement into a rectangular box for big slabs; figuring out how much liquids to mix into something and cooking in the measuring cups.

Who taught Theodorus?

Theodorus of Cyrene was a pupil of Protagoras and himself the tutor of Plato, teaching him mathematics, and also the tutor of Theaetetus. Plato travelled to and from Egypt and on such occasions he spent time with Theodorus in Cyrene.

## How do you draw Theodorus circle?

The spiral of Theodorus is a spiral composed of right triangles….

1. First, draw an isosceles right triangle with each leg having a unit length.
2. Then use the hypotenuse as the base of the second right triangle with the other leg having a length of 1.
3. Repeat the process fifteen more times and get a beautiful spiral.

Why do we need to learn square roots?

Radicals and square roots are important because they show up when we compute areas, which is a fairly practical application. You know by taking the square root that this must be a 20-foot by 20-foot room. Even cooler is the fact that square roots give us some of our examples of irrational numbers.

### What is the uses of square?

square, in measurement, device consisting of two straightedges set at right angles to each other. It is used by carpenters and machinists for checking the correctness of right angles, as a guide when drawing lines on materials before cutting, or for locating holes.

What was Theodorus most remembered for?

Theodorus was the mathematical tutor of Plato and Theaetetus and is known for his contribution to the early development of the theory of irrational quantities. Iamblichus includes him in his catalog of Pythagoreans 1.

## How to construct your own wheel of Theodorus?

To construct your own Wheel of Theodorus using Euclidean tools, follow the steps described and illustrated below. 1. Construct right triangle ABC, with base = 1 unit and height = 1 unit. 2. Using hypotenuse AB as the base of the next triangle, construct a perpendicular to line AB through point A. 3. Mark…

What kind of theorem is wheel of Theodorus?

Little is known about his life, but he is well known for his mathematical theorem known as the Spiral or Wheel of Theodorus. This theorem first appeared in Plato’s dialogue, “Theaetetus”. This theorem revolves around a diagram of spiraling right triangles that Theodorus constructed.

### Why did Theodorus stop building triangles in his wheel?

The base leg of one triangle becomes the hypotenuse for the next triangle – In his original wheel the hypotenuse lenghts varied from √2, √3, √4, …, √17. When the hypotenuse reached the square root of 17 he stopped, he did not build any more triangles, that’s why his wheel diagram doesn’t overlap.

Who is known for the spiral of Theodorus?

Theodorus of Cyrene was a Greek philosopher and mathematician who lived during approximately 500 BC. Little is known about his life, but he is well known for his mathematical theorem known as the Spiral or Wheel of Theodorus. This theorem first appeared in Plato’s dialogue, “Theaetetus”.