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1. |
The _______________ states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side. |
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A. |
Triangle Equality Theorem |
B. |
Definition of a Triangle |
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C. |
Triangle Inequality Theorem |
D. |
Definition of an Inequality |
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Hint |
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2. |
Refer to the figure. Which statement is never true? |
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A. |
If is obtuse, then EG > EF. |
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B. |
If FG = 4, EGDE = 6, then EF < 18. |
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C. |
If DF = 20, FG = 13, and EG = 15, then EF = 11. |
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D. |
If EG = 6, ED = 8, and then FG = DF. |
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Hint |
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3. |
Marty has a piece of rope with exactly 7 knots tied at equal intervals as shown. Using the rope, he wants to make triangles so that each vertex of the triangle occurs at a knot. How many different triangles can Marty make? |
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A. |
4 |
B. |
1 |
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C. |
3 |
D. |
2 |
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Hint |
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4. |
Which of the following could not be a triangle? |
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A. |
15, 18, 8 |
B. |
9, 9, 9 |
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C. |
7, 28, 22 |
D. |
7, 11, 3 |
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Hint |
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5. |
If 15 and 20 are the lengths of two sides of a triangle, between what two numbers must the measure of the third side fall? |
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A. |
10 and 35 |
B. |
10 and 25 |
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C. |
5 and 35 |
D. |
15 and 20 |
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Hint |
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