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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,651

What do two squares make?

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

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**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,016

hi bob

who is that a question to?

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 bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,651

hi Stefy,

You want me to tell you the answer?

Hint: Can you see the two squares?

If you move stuff about (colour coding) what do you get?

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

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**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,016

hi bob

i see what you get and it's

but i'm not sure who you were giving the question to.everyone?it seems too easy to be to anyone.a single person?seems odd because there would be a reference (probably in the form hi <name>)

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 bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,651

hi Stefy,

I just met this problem in the Guardian newspaper and came up with this way of dissecting the diagram.

Couldn't find an answer elsewhere so I just thought I'd show it here.

To make it into a general rigorous proof, it needs some work, but I think it stands up ok.

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

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