Best Answer BMAD, 25 March 2013 - 05:39 AM

Spoiler for did we forget?What's triangle inequality?

Spoiler for possible triangles

Go to the full postSpoiler for

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Started by BMAD, Mar 23 2013 06:22 AM

Best Answer BMAD, 25 March 2013 - 05:39 AM

Spoiler for did we forget?What's triangle inequality?

Spoiler for possible triangles

Go to the full postSpoiler for

12 replies to this topic

Posted 23 March 2013 - 06:22 AM

Using integer side lengths, what is the probability of forming an isosceles triangle if the perimeter is 12?

Posted 23 March 2013 - 05:35 PM

Spoiler for

Posted 23 March 2013 - 08:36 PM

Spoiler for I get

Past prime, actually.

Posted 24 March 2013 - 03:55 AM

I agree with Prime provided the OP is worded,

What fraction of integer-sided triangles whose perimeter is 12 are isosceles?

What fraction of integer-sided triangles whose perimeter is 12 are isosceles?

- Bertrand Russell

Posted 24 March 2013 - 07:42 PM

Spoiler for breaking stick with unit notch

Posted 25 March 2013 - 01:31 AM

Depending on random selection process, there is another possibility.

Spoiler for another answer

Past prime, actually.

Posted 25 March 2013 - 02:29 AM

Spoiler for did we forget?

Posted 25 March 2013 - 04:33 AM

Spoiler for did we forget?

What's triangle inequality?

Spoiler for possible triangles

**Edited by Prime, 25 March 2013 - 04:36 AM.**

Past prime, actually.

Posted 25 March 2013 - 04:40 AM

Spoiler for did we forget?What's triangle inequality?

Spoiler for possible triangles

Spoiler for the triangle inequality theorem

**Edited by BMAD, 25 March 2013 - 04:46 AM.**

Posted 25 March 2013 - 05:09 AM

Spoiler for did we forget?What's triangle inequality?

Spoiler for possible trianglesSpoiler for the triangle inequality theorem

So, 0-angle triangles are being discriminated. That's an injustice.

Still, my last post gives two different answers even for that case.

**Edited by Prime, 25 March 2013 - 05:12 AM.**

Past prime, actually.

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