Math Is Fun Forum

tony123

Member

Registered: 2007-08-03

Posts: 229

..find X

from Μιχάλης

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

Bob

Administrator

Registered: 2010-06-20

Posts: 10,619

Re: ..find X

hi Tony,

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

Bob

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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

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

Re: ..find X

Hi,

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

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“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.

Bob

Administrator

Registered: 2010-06-20

Posts: 10,619

Re: ..find X

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

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

Re: ..find X

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.