Assistant Director calls. The dialogue.
Q: How do I find the diagonal?
Diagonal of what?
Q: Well, I have width and height. How do I find the diagonal?
I: I understand, the diagonal of the screen?
P: Well yes. The width is 88 centimeters, the height 60 centimeters.
I: Well how, you take a square of width, add a square of height. Then take a square root.
Q: How to get a square root?
I am :???? Repeat the question again?
Q: How to take a square root? I did not have mathematics, we were not taught this in linguistic.
I: This is what is taught in school.
Q: No, it was much easier in school, it was in the third class! There were no roots yet.
I: Well, if in the third class, they found a diagonal line: they applied to one corner and to the other...
Q: Well then I’ll try the ambulance.
This is the task of the fifth class. The Pythagorean Theorem.
Q: What kind of Pythagoras?
The most ordinary! The amount of squares...
Q: Can you find me a diagonal?
I: Yes, it would be easier... (counting on the calculator) 42 inches.