## This week's maths problem

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# Problem of the week

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On Friday of each week we will post a new maths challenge.

You may submit your solution by the following Thursday.

Each problem contains two different levels of difficulty. You will be awarded from 2 to 12 points for a **full answer**.

Each series contains 12 problems before the stage winner is determined.

Your score will be published here.

In each series we will give away 3 books as prices. The prices will be drawn by lot among the best ten participants of the series. The books are kindly sponsored by ** Buchdienst Rattei **of Chemnitz.

**Suggestions for problems are welcome.Deadline is 26st**

**of May 2022.**

German version - Italian version - French version - Spanish version Hungarian Version Russian version --> 中文/Chinese <--

**Series 60**

### problem 713

"I used the picture from the last task again," Lisa said. "But here I am interested in something different, namely the main points of triangle ABC (side lengths 3-4-5) and of the overall construction."

The triangle is to be drawn in a coordinate system. A at (0; 0) and B at (5; 0).

What are the coordinates of the triangle's main points (Construction 2 blue points + calculation 4 blue points - do not forget the derivation of the formula for this special case)

6 red points for the calculation of the coordinates of the main points of the nine-sided triangle IJBEFCGHA

**Deadline for solution is the 26th. May 2022.**

## -> Enigma <--

https://www.schulmodell.eu/images/stories/mathe/horst/raetsel.php

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adress:

Thomas Jahre

Stollberger Strasse 25

09119 Chemnitz

Germany

Links:

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post address: Thomas Jahre Chemnitzer Schulmodell Stollberger Straße 25 09119 Chemnitz Deutschland/Germany |
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