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Geometry CH 7
Stepp's Prentice Hall Geometry Chapter 7- Similarity
| Question | Answer |
|---|---|
| A ___ is a statement that two fractions are equal | Proportion |
| The cross product property states that ___ | The product of the extremes equals the product of the means |
| The ___ is a number that compares each number in the drawing, map, or model to the actual measurement | SCALE |
| Similar figures have CONGRUENT | ANGLES |
| All lengths for similar figures are ____ | PROPORTIONAL |
| The symbol for similare is | ~ |
| Similarity statements must list part in ___ order | Corresponding |
| True or False- sharing two congruent angles is enough to be sure that triangles are similar | TRUE |
| True or False - For SAS~, the angle can be found anywhere in the triangle | FALSE - it has to be the included |
| True or False - If all 3 sides are proportional, then the triangles are congruent | False - similar |
| To solve for a missing side when figures are similar ____ | write and solve a proportion |
| The altitude to the hypotenuse divides the triangle | into 2 triangles that are similar to each other and to the original triangle |
| When a compares to x the same way that x compares to b, x is the ____ | geometric mean |
| The Geometric Mean between 16 and 4 is ___ | 8 |
| The altitude to the hypotenuse is the ____ between the segments of the hypotenuse | Geometric Mean |
| ____ of a right triangle is the geometric mean between the segment closest to it and the whole hypotenuse | Each Leg |
| The side-splitter theorem works any time ___ | a segment in a triangle is parallel to a side |
| If you have a case where the side splitter theorem, then ____ | the sides are divided proportionately |
| Parallel lines cut transversals | proportionately |
| An angle bisector of a triangle, divides the opposite side into two parts that are | proportional to the other two sides of the triangle |
| True or False - Indirect Measurement is possible because of similarity | True - you can solve a proportion |
| When a/x = x/b, x is the ___ | geometric mean |
| to simplify a radical, ____ | factor out any perfect squares |
| a squared + b squared = | c squared |
| You can find a missing side of a right triangle using the ___ | Pythagorean theorem |
| If you have a right triangle with legs of 3 and 4, then the hypotenuse is ___ | 5 (its a 3,4,5 right triangle) |
| 6, 8, 10 and 15,20, 25 are other examples of _____ | multiples of a 3-4-5 right triangle |
| ____ extend from a vertex to the opposite side at a right angle | Altitudes |
Created by:
criswell216
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