# The Theorem of Thales

- Author:
- Judith Smith

## Task

Construct an interactive visualization of the Theorem of Thales that consists of a triangle inscribed into a semicircle, with one side being the diameter of the circle.

## Question

What did the Greek philosopher and mathematician Thales find out about a triangle inscribed in a semicircle, about 2600 years ago?
__Hint__: Use your interactive construction to explore the theorem.