# Find Third point of Triangle

**URL:** <https://forum.kirupa.com/t/find-third-point-of-triangle/321402>\
**Category:** flash\
**Created:** [April 19, 2011, 6:04am UTC](https://forum.kirupa.com/t/find-third-point-of-triangle/321402 "2011-04-19T06:04:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Milan\_vaja](https://avatars.discourse-cdn.com/v4/letter/m/8797f3/32.png) [@Milan\_vaja](https://forum.kirupa.com/u/Milan_vaja)\
**Post date:** [April 19, 2011, 6:04am UTC](https://forum.kirupa.com/t/find-third-point-of-triangle/321402/1 "2011-04-19T06:04:25Z")

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Hi Every one

i want to find third Point of Triangle  
i Have two point p1,p2 with respect to it i want to find third point of triangle

Note one thing triangle is 45 - 90 - 45 degree so the point i want to find is at 90 degree,

so as per my requirment  
p1 = 45 degree  
p2 = -45 degree  
and p3 = 90 degree

so i want to find p3

any help will gtreatly appreciated to me  
i havwe attached image for further refrence