Problem 6 of 7
Determine whether side lengths 1, 2, 4 can form a triangle.
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apply triangle inequality.
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Use strict triangle inequality: sum of any two sides must be greater than the third.
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Solution
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1. Identify the largest side.
2. Add the two smaller sides.
3. Check whether their sum is strictly greater than the largest side.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Allowing equality as a valid triangle.