Which side lengths could be used to form a triangle? 2 cm, 3 cm, 12 cm 15 cm, 7 cm, 5 cm 14 cm, 20 cm, 32 cm 10 cm, 25 cm, 15 cm
Mathematics
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Question
Which side lengths could be used to form a triangle?
2 cm, 3 cm, 12 cm
15 cm, 7 cm, 5 cm
14 cm, 20 cm, 32 cm
10 cm, 25 cm, 15 cm
2 cm, 3 cm, 12 cm
15 cm, 7 cm, 5 cm
14 cm, 20 cm, 32 cm
10 cm, 25 cm, 15 cm
1 Answer

1. User Answers Anonym
If you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. If that is not true, then it is not possible to construct a triangle with the given side lengths. Example: Determine if sides of length 5 cm, 8 cm and 12 cm can form a triangle?