Pick three points on a plane at random (assume uniform probability density across the plane). What is the probability that the triangle so formed is obtuse angled?

Source: general internet, with some slight changes.

Pick three points on a plane at random (assume uniform probability density across the plane). What is the probability that the triangle so formed is obtuse angled?
Source: general internet, with s

Please pay attention - I prove clearly that any obtuse triangle corresponds to one of the acute-angled, which shows clearly that we have 50% chance to choose one or the type no matter in which way yo

## Question

## karthickgururaj 4

Pick three points on a plane at random (assume uniform probability density across the plane). What is the probability that the triangle so formed is obtuse angled?

Source: general internet, with some slight changes.

I got a surprising answer to this one..

## Link to post

## Share on other sites

## Top Posters For This Question

15

13

12

7

## Popular Days

Oct 9

13

Oct 3

7

Oct 8

6

Oct 6

5

## Top Posters For This Question

bonanova15 postskarthickgururaj13 postsplasmid12 postskoren7 posts## Popular Days

Oct 9 2014

13 posts

Oct 3 2014

7 posts

Oct 8 2014

6 posts

Oct 6 2014

5 posts

## Popular Posts

## karthickgururaj

Pick three points on a plane at random (assume uniform probability density across the plane). What is the probability that the triangle so formed is obtuse angled? Source: general internet, with s

## DeGe

## koren

Please pay attention - I prove clearly that any obtuse triangle corresponds to one of the acute-angled, which shows clearly that we have 50% chance to choose one or the type no matter in which way yo

## Posted Images

## 52 answers to this question

## Recommended Posts

## Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.