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Glossary - Excel Math
... Concave Polygon a polygon with four or more sides having at least one internal angle greater than 180° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [Create A Problem 3] 36 cone ...
... Concave Polygon a polygon with four or more sides having at least one internal angle greater than 180° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [Create A Problem 3] 36 cone ...
Outline - Durham University
... c−b / d−b is called the cross-ratio of these points. Lemma 4.1’. Projections preserve cross-ratios of points. Definition 4.3. The cross-ratio of four lines lying in one plane and passing through one point is the cross-ratio of the four points at which these lines intersect an arbitrary line l. Remar ...
... c−b / d−b is called the cross-ratio of these points. Lemma 4.1’. Projections preserve cross-ratios of points. Definition 4.3. The cross-ratio of four lines lying in one plane and passing through one point is the cross-ratio of the four points at which these lines intersect an arbitrary line l. Remar ...
Math 9 Study Guide Unit 7 Unit 7 - Similarity and Transformations
... 2. The corresponding sides are proportional (scale factors are equal) Therefore, if two polygons have corresponding angles that are equal and corresponding sides that are proportional they are similar Remember: When finding the scale factor (SF), be sure to compare the corresponding sides. ...
... 2. The corresponding sides are proportional (scale factors are equal) Therefore, if two polygons have corresponding angles that are equal and corresponding sides that are proportional they are similar Remember: When finding the scale factor (SF), be sure to compare the corresponding sides. ...