Term
| Triangle Inequality Theorem |
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Definition
| Any side of a triangle must be shorter than the other two sides added together. |
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Term
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Definition
| The angle between two sides. |
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Term
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Definition
If two sides of one triangle are congruent to two sides of another triangle, and the included angle of the first is larger than the included angle of the second, then the third side of the first triangle is longer than the third side of the second
triangle. |
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Term
Converse of
Hinge Theorem |
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Definition
| If the two sides of one triangle are congruent to two sides of another triangle, and the third side of the first triangle is greater than the third side of the second triangle, then the included angle of the first triangle is larger than the included angle of the second triangle. |
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Term
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Definition
| The square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. |
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Term
Converse of
Pythagorean Theorem |
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Definition
| If in a triangle the square on one of the sides equals the sum of the squares on the remaining two sides of the triangle, then the angle contained by the remaining two sides of the triangle is right. |
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Term
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Definition
| Represents the lengths of the sides of a right triangle where all three sides have integer lengths. |
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Term
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Definition
| A triangle in which one angle is a right angle (that is, a 90-degree angle). |
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Term
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Definition
| The legs are the two shorter sides of the triangle. |
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Term
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Definition
| The longest side of a right-angled triangle, the side opposite of the right triangle. |
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Term
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Definition
| The sum of the interior angles of any triangle is equal to 180 degrees. |
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Term
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Definition
| The measure of an exterior angle of a triangle is greater than either of the measures of the remote interior angles |
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Term
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Definition
A right triangle with some regular feature that makes
calculations on the triangle easier, or for which simple formulas exist. |
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