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Section 5-4 Jim Smith
The Triangle Inequality Theorem
The sum of the lengths of any two sides of a triangle
is greater than the length of the remaining side
Can these measures be the lengths
of the sides of a triangle?
1. 3,4,5
2. 5,5,5
3. 3,8,5
4. 9,2,15
5. 25,13,18
Find the range for the measure of the third
side of triangle with these two sides.
1. 3 and 7
2. 10 and 15
3. 5 and 12
4. 2 and 9

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5-4 Triangle Inequalites.pptx

  • 2. The Triangle Inequality Theorem The sum of the lengths of any two sides of a triangle is greater than the length of the remaining side
  • 3. Can these measures be the lengths of the sides of a triangle? 1. 3,4,5 2. 5,5,5 3. 3,8,5 4. 9,2,15 5. 25,13,18
  • 4. Find the range for the measure of the third side of triangle with these two sides. 1. 3 and 7 2. 10 and 15 3. 5 and 12 4. 2 and 9