ST Alpha - "I don't know the height, nor the angles between the sides. All I know is the 3 sides. -- nm" (Reading a Post)

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In response to "Base*height/2. -- nm" by Shaun

I don't know the height, nor the angles between the sides. All I know is the 3 sides. -- nm

Posted by Subversive Jun 29 '09, 06:55

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Responses:

wiki says yes - Heron's formula is how you can calc. the area if you only know the sides -- (link) - Roger More Jun 29, 06:57 1
- Thanks. -- nm - Subversive Jun 29, 06:59
Ok then, take 2 adjacent sides, multiply them and divide by 2. -- nm - Shaun Jun 29, 06:57 4
- Oh whoops. That's for a right triangle. Sorry :( -- nm - Shaun Jun 29, 06:58 3
  - But you should be able to convert a triangle into 2 smaller right triangles and go from there. -- nm - Shaun Jun 29, 06:59 2
    - you'd need to use trigonometery to calculate the shared side of the two right-angle triangles though -- nm - Roger More Jun 29, 07:01 1
      - or algebra. -- nm - psilotum Jun 29, 07:05

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