SOLUTION: The measure of two sides of a triangle are given. Between what two numbers must the third fall? Complete the inequality. 11 and 20

Question 1130862: The measure of two sides of a triangle are given. Between what two numbers must the third fall? Complete the inequality.
11 and 20
Found 2 solutions by Boreal, Alan3354:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The sum of any two sides has to be greater than the third.
so 11+20=31> side 3 or side 3 < 31
let side 3 be x
x+11>20, so x>9
x+20>11 always
So 9
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
difference < s < sum where s = 3rd side
9 < s < 31
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It's educational to cut 2 sticks, or straws with lengths of 11 & 20 (cms or inches) and see what this means.
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