Triangle Inequality

Author:
William Morris, Tim Brzezinski

Section 1

For each of the following, set each side in the applet equal to the values you are given. Then determine whether the triangle exists or not.

1. 9, 12, 18

Check all that apply

2. 8, 9, 17

Check all that apply

3. 14, 14, 19

Check all that apply

4. 2.7, 3.1, 4.3

Check all that apply

5. 0.7, 1.4, 2.1

Check all that apply

Sections 2

For each of the following problems, set Blue and Green to the values given. Then find the smallest number Orange can be for a triangle to exist.

6. 6, 19

7. 5,9

8. 7,14

9. 12,15

10. 8, 13

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