Question 627568: which of the followings sets of numbers could be the lengths of sides of a triangle?
1 mi, 9 mi, 10 mi
or
8 mi, 9 mi, 2 mi
or
1 mi, 9 mi, 11 mi
or
8 mi, 9 mi, 17 mi
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! which of the followings sets of numbers could be the lengths of sides of a triangle?
1 mi, 9 mi, 10 mi
or
8 mi, 9 mi, 2 mi
or
1 mi, 9 mi, 11 mi
or
8 mi, 9 mi, 17 mi
:
The rule: "the sum of the two smaller sides has to exceed the longest side"
so only the 2nd one can be a triangle
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