SOLUTION: suppose you have three straight sticks of lenghts 10cm, 20cm, and 31cm. Can you arrange these sticks into a triange? If not, why not?

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Question 325919: suppose you have three straight sticks of lenghts 10cm, 20cm, and 31cm. Can you arrange these sticks into a triange? If not, why not?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
No, given the length of the two shortest pieces L1 and L2, the longest piece needs to be in the range,
L1-L2%3CL3%3CL1%2BL2
10%3CL3%3C30
L3 is 31 cm and outside of the allowed range.