Posted by **Katie** on Friday, October 26, 2007 at 11:03pm.

If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides?

A. 2 & 9

B. 3 & 5

C. 5& 10

D. 10 & 10

E. 10 & 12

I think it might be B but I don't know and I don't know how to figure the answer.. please help!

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