Sides of a triangle

Test Preparation SAT Preparation
1

<p>I need help understanding how to to eliminate a possible side of a triangle if they give me two sides.</p>

<p>For example this question Two sides of a triangle each have length of 5.All of the following could be the length of the third side EXCEPT</p>

<p>1
3
4
route 50
10 ---> answer</p>

2

<p>The sum of two sides of a triangle is always greater than the third side, and the difference between two sides of a triangle is always less than the third side. </p>

<p>10 is equal to the sum. So it can’t be the third side.</p>

3

<p>ok thanks a lot</p>