Answer:
2
Step-by-step explanation:
For all triangles the longest side must be shorter than the two smaller sides when added
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Invision a triangle with a side of 1cm, 2 cm and 100cm will all sides be able to touch? NO it's not possible.
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SO in this case look at the biggest number and see if the sum of the smaller numbers are bigger than it
5 <3+4 =7 True
9 <5+2 =7 False
12 <5+10 =15 True
11 <9+7 =16 True
