three numbers are given: a, b, c. How to determine for maximum two comparisons

Is there a triangle with the sides of length a, b and s?

in the case of `a + b & gt; c, a + c & gt; b, b + c & gt; a, (A & gt; 0, b & gt; 0, c & gt; 0) `

everything is clear, but how to make This is for **2 **comparisons?

PS The question is not a training, met when preparing for sobesu 🙂

## Answer 1, Authority 100%

```
a + b & gt; C.
ABS (A - B) & LT; C.
```

## Answer 2, Authority 100%

Here is another option, from the scalar product of vectors

In general, they are ultimately one of the following to another …