Tricky Questions

[brightsky]

Question 1

a) Two circles and have a common chord . Point is chosen on so that it is outside . Lines and are extended to cut at and , respectively. If and , determine the length of .

b) Two circles and have a common chord . Point is chosen on so that it is outside . Lines and are extended to cut at and , respectively. Show that, no matter where is chosen, the length of is constant.

Many thanks.

[brightsky]

What are they from

Day school teacher gave it to me for some holiday musings.

and how to you write in that font?

Latex.

Code: [Select]

[tex] ... [/tex]

[plato]

Latex.

Code: [Select]

[tex] ... [/tex]

Great, my spaces aren't working either.

??

Begin with \sqrt and use { and } for brackets
For example


Hover your mouse over the Latex expression and you should see the syntax for it.

[brightsky]

Yep. For the code:

Code: [Select]

[tex] \sqrt{2} [/tex]

Would produce, .

[the.watchman]

Latex.

Code: [Select]

[tex] ... [/tex]

Great, my spaces aren't working either.

??

You can refer to: http://vcenotes.com/forum/index.php/topic,3137.0.html
OR http://vcenotes.com/viki/index.php/Help:LaTeX for a full list of commands

It may look tricky, but I got used to it quickly, I'm sure you will too

[GerrySly]

Thank you so much, I was always wondering how you could type that way

Which is straight from the Wiki help files, with added problems parsing errors

http://en.wikipedia.org/wiki/Help:Displaying_a_formula