# Probability involving geometry [closed]

### Q.

Point X is randomly selected on the perimeter of a square of length $L$. $M$ is the midpoint of side. What is the probability that $XM> L$?

1. $\frac{\sqrt 3 }{3}$
2. $\frac{3 - \sqrt{3}}{3}$
3. $\frac{3 - \sqrt{3}}{4}$
4. $\frac{1+\sqrt{3}}{4}$

$OA$ is $C$. Please let me know the process.

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## closed as off-topic by This is much healthier., Michael Albanese, Claude Leibovici, RecklessReckoner, drhabJul 5 at 7:39

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$M$ is the midpoint of which side? Does $M$ depend on $X$? –  Twiceler Mar 24 '13 at 20:04
Here's a tutorial and reference for how to format math on this site. Your question is currently close to unreadable. Also note that people are likely not to know all abbreviations that you use; writing things out costs you a couple of keystrokes but saves dozens and potentially hundreds of readers the time it takes to fathom the intended meaning. –  joriki Mar 24 '13 at 20:05
Not sure of what you want :s ... is there 5 question there? Can you clarify what exactly are the questions? And what do you mean by "$OA$ is $C$"? –  wece Mar 24 '13 at 20:17
1. Where on the square must the point fall to have $XM \gt L$?