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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
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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

User The JinX
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1 Answer

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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?
User Dustyrockpyle
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