Term
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Definition
| Right ∆ABC has two congruent legs. Therefore we also refer to it as a(n) ______________________________. |
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Term
| legs OR legs of an isosceles triangle |
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Definition
| The congruent sides of an isosceles triangle are referred to as ______________________________. |
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Term
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Definition
| In triangle ABC, segments AB and AC are congruent. We refer to angle BAC as the ______________________________. |
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Term
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Definition
| In isosceles triangle ABC, segments AB and AC are congruent. We refer to segment BC as the isosceles triangle’s ______________________________. |
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Term
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Definition
| We call the angle formed by the congruent sides of an isosceles triangle the “vertex angle.” The other two angles are called ______________________________ |
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Term
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Definition
| Each of the two sides that make up the right angle in a right triangle is referred to as a(n) ______________________________. |
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Term
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Definition
| Two figures are ______________________________ if and only if they are the same size and shape. |
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Term
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Definition
| We use the word “______________________________” to refer to a theorem that can easily be derived from another theorem. |
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Term
| alternate interior angles |
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Definition
| If two non-adjacent angles on the interior of two lines cut by a transversal are on opposite sides of that transversal, then we refer to them as ______________________________ angles. |
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Term
| same-side interior angles |
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Definition
Angles 1 and 2 are between lines l and m, and they are on the same side of line p. We refer to them as __________.
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