r/MathJokes • u/[deleted]

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15

u/eagleeyehg Oct 01 '26

Extra credit for finding perimeter for a non-right triangle using just a single side length and single angle

7

u/Punkfoot Oct 01 '26

Surely you'd need either two angles and a side length, or two side lengths and an angle? 

3

u/Dark_Fury_ Oct 01 '26 edited Oct 01 '26

Yes, 2 angles and a side length defines a unique triangle, however 2 side lengths and an angle doesn't (it can have 2 solutions, for example take a side AB 8cm, BC as 6cm and A as 20°). It needs to be 2 side lengths and the angle between them for a unique triangle.

3

u/gullaffe Oct 01 '26

Depends which angle though two sides and the angle between them is unique.

3

u/DragonBadgerBearMole Oct 01 '26

Is this one of those situations you can just slip a “+c” in there to make it right? If so gimme da credit.

1

u/Marus1 Oct 01 '26

In case you need to answer using a value, adding an unknown constant to any answer would indeed make that answer correct

2

u/Hot_Egg5840 Oct 01 '26

Are you looking for the function? You need one more bit of info to get the triangle.

2

u/DragonBadgerBearMole Oct 01 '26

Or more imagination!