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Geo Chapter 4&6 Voc
Geometry
| Question | Answer |
|---|---|
| A triangle with no congruent sides | Scalene Triangle |
| A triangle with at least two congruent sides | Isosceles Triangle |
| A triangle with three congruent sides | Equilateral Triangle |
| A triangle with three acute angles | Acute Triangle |
| A triangle with one right angle | Right Triangle |
| A triangle with one obtuse angle | Obtuse Triangle |
| A triangle with three congruent angles | Equilateral Triangle |
| The original, inside angles formed by a polygon | Interior Angles |
| The angles that form linear pairs with the interior angles | Exterior Angles |
| Adding a line, segment, or ray to a given diagram in order to complete a proof | Auxiliary Lines |
| A statement that can be easily proven using the theorem | Corollary to a Theorem |
| Two geometric figures that have exactly the same size and shape | Congruent Figures |
| A pair of sides or angles that have the same relative position in two congruent or similar figures. | Corresponding Parts |
| The sides adjacent to the right angle | Leg of a Right Triangle |
| The side opposite the right angle | Hypotenuse |
| Uses arrows to show the flow of a logical argument | Flow Proof |
| Two congruent sides of an isosceles triangle | Legs |
| The angle formed by the two legs of an isosceles triangle | Vertex Angle |
| The third side of an isosceles triangle | Base |
| The two angles adjacent to the base side | Base Angles |
| An operation that moves or changes a geometric figure in some way to produce a new figure | Transformation |
| The new figure by a transformation | Image |
| A transformation that moves every point of a figure the same distance in the same direction | Translation |
| A transformation that uses a line of reflection to create a mirror image of the original figure | Reflection |
| A transformation that turns a figure about a fixed point | Rotation |
| Changes the position of the figure without changing its size or shape | Congruence Transformation |
| he line used to reflect an object | Line of Reflection |
| The point that a figure is turned around when completing a rotation | Center of Rotation |
| Rays drawn from the center of rotation to a point and its image | Angle of Rotation |
| A comparison of two numbers using division | Ratio |
| An equation that states two ratios are equal | Proportion |
| The middle terms of a proportion | Means |
| The first and last term of a proportion | Extremes |
| A drawing that is the same shape as the object it represents | Scale Drawing |
| A ratio that describes how the dimensions in a scale drawing are related to the actual dimensions of the object | Scale |
| Two polygons such that their corresponding angles are congruent and the lengths of corresponding sides are proportional | Similar Polygons |
| The ratio of the lengths of two corresponding sides of two similar polygons | Scale Factor |
| A transformation that stretches or shrinks a figure to create a similar figure | Dilation |
| The fixed point about which the figure is enlarged or reduced | Center of Dilation |
| The ratio of a side length of the image to the corresponding side lengths of the original figure | Scale Factor of a Dilation |
| A dilation with a scale factor between zero and one | Reduction |
| A dilation with a scale factor greater than one | Enlargement |
Created by:
warnockj
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