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**tony123****Member**- Registered: 2007-08-03
- Posts: 218

from Μιχάλης

*Last edited by tony123 (2020-04-30 00:00:30)*

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**Bob****Administrator**- Registered: 2010-06-20
- Posts: 9,428

hi Tony,

Another great puzzle. I think I've got a proof for this:

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

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**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049

Hi,

*Last edited by anonimnystefy (2020-05-15 05:38:20)*

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**Bob****Administrator**- Registered: 2010-06-20
- Posts: 9,428

hi Stefy,

8-3 = 5. But the diagram shows 8+3.

Draw a line through the centre of the circle, parallel to BE. Reflect B, and E in that line.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

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**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049

Ahhh, I see it now! Thanks, Bob!

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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