Which of the following sides can give a valid triangle?

12 cm, 3 cm, 7 cm

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2 cm, 3 cm, 7 cm

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2 cm, 10 cm, 7 cm

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5 cm, 3 cm, 7 cm

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Solution

The correct option is D
5 cm, 3 cm, 7 cm

For sides given in option D, sum of any two sides is always greater than third side, so it will give a valid triangle.

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