The document discusses the application of the rule of three in mathematics through examples involving shadows, specifically a girl's shadow and a tree's shadow to determine heights. It presents a hypothesis and a question related to this model. The date mentioned is March 10, 2015.

1. Nature ….
mathematics
Rule of three

2. A wonderful idea

3. The model…

4. Her shadow

5. The hypothesis

6. The question !!!

7. Rule of 3
•Shadow
of tree
•Girl’s
shadow
•Real
height of
tree
•Girl’s
height
143 ?
430123

9. Lardos, 10th March 2015