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7. Which of the following lengths of lines could be used to create a right triangle? -6, 9, 12 -5, 12, 13 -4, 8, 16 -7, 15, 19, 7 Please help
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7. Which of the following lengths of lines could be used to create a right triangle?

-6, 9, 12
-5, 12, 13
-4, 8, 16
-7, 15, 19, 7
Please help

User Zach Galant
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3.5k points

1 Answer

3 votes
-5,12,13 If You use the Pythagorean theorem for the first three you can find out which ones would be triangles. The last one you know can’t be a triangle because there’s four lines. The Pythagorean theorem is a squared plus B squared equals C squared so you would plug in your numbers in that formula and see if it is a true statement.
User Josh Kidd
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3.6k points
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