SOLUTION: if 2 sides of a triangle measure 12 cm and 7 cm which of the following cannot be the perimeter of the triangle? 29 cm 34 cm 37 cm 38 cm

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Question 452150: if 2 sides of a triangle measure 12 cm and 7 cm which of the following cannot be the perimeter of the triangle?
29 cm
34 cm
37 cm
38 cm
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
the 3rd side can't be >= 19 or <= 5 cm
12+7+19=38 too long
12+7+5=24 too short
.
Ed