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Which of the following sets of numbers could represent the three sides of a triangle?

{12,20,34}

{13,25,38}

{6,13,19}

{15,24,36}

Which of the following sets of numbers could represent the three sides of a triangle?\newline{12,20,34} \{12,20,34\} \newline{13,25,38} \{13,25,38\} \newline{6,13,19} \{6,13,19\} \newline{15,24,36} \{15,24,36\}

Full solution

Q. Which of the following sets of numbers could represent the three sides of a triangle?\newline{12,20,34} \{12,20,34\} \newline{13,25,38} \{13,25,38\} \newline{6,13,19} \{6,13,19\} \newline{15,24,36} \{15,24,36\}
  1. Understand Triangle Inequality Theorem: Identify the Triangle Inequality Theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
  2. Test First Set of Numbers: Test the first set of numbers {12,20,34}\{12, 20, 34\} to see if they satisfy the Triangle Inequality Theorem.\newlineCheck if 12 + 20 > 34, 12 + 34 > 20, and 20 + 34 > 12.\newline12+20=3212 + 20 = 32, which is not greater than 3434.
  3. First Set Does Not Satisfy Theorem: Since 12+2012 + 20 is not greater than 3434, the first set of numbers \{12,20,3412, 20, 34\} does not satisfy the Triangle Inequality Theorem and cannot represent the sides of a triangle.
  4. Test Second Set of Numbers: Test the second set of numbers 13,25,38{13, 25, 38} to see if they satisfy the Triangle Inequality Theorem.\newlineCheck if 13 + 25 > 38, 13 + 38 > 25, and 25 + 38 > 13.\newline13+25=3813 + 25 = 38, which is not greater than 3838.
  5. Second Set Does Not Satisfy Theorem: Since 13+2513 + 25 is not greater than 3838, the second set of numbers \{13,25,3813, 25, 38\} does not satisfy the Triangle Inequality Theorem and cannot represent the sides of a triangle.
  6. Test Third Set of Numbers: Test the third set of numbers {6,13,19}\{6, 13, 19\} to see if they satisfy the Triangle Inequality Theorem.\newlineCheck if 6 + 13 > 19, 6 + 19 > 13, and 13 + 19 > 6.\newline6+13=196 + 13 = 19, which is not greater than 1919.
  7. Third Set Does Not Satisfy Theorem: Since 6+136 + 13 is not greater than 1919, the third set of numbers \{6,13,196, 13, 19\} does not satisfy the Triangle Inequality Theorem and cannot represent the sides of a triangle.
  8. Test Fourth Set of Numbers: Test the fourth set of numbers {15,24,36}\{15, 24, 36\} to see if they satisfy the Triangle Inequality Theorem.\newlineCheck if 15 + 24 > 36, 15 + 36 > 24, and 24 + 36 > 15.\newline15+24=3915 + 24 = 39, which is greater than 3636.\newline15+36=5115 + 36 = 51, which is greater than 2424.\newline24+36=6024 + 36 = 60, which is greater than 1515.
  9. Fourth Set Satisfies Theorem: Since all the inequalities are satisfied for the fourth set of numbers {15,24,36}\{15, 24, 36\}, this set does satisfy the Triangle Inequality Theorem and can represent the sides of a triangle.

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