Chapters 7-14
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| a/b=c/d : | ad=cb
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| ad=bc | a/c=b/d
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| Two Polygons are similar if their vertices can be paired so that: | (1) Corresponding angles are congruent.
(2) Corresponding sides are in proportions. (Their lengths have the same ratio.)
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| AA Similarity Postulate | If two angles of one triangle are congruent to two angles of another triangle then the triangles are similar
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| SAS Similarity | If an angle of one triangle is congruent to an angle of another triangle and the sides including those angles are in proportion, then the triangles are similar
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| SSS Similarity | If the sides of two triangles are in proportion, then the triangles are similar
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| Triangle Proportionally Theorem | If a line parallel to one side of a triangle intersects the other two sides, then it divides those sides proportionally.
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| If three parallel lines intersect two transversals, then: | they divide the transversals proportionally
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| Triangle Angle-Bisector Theorem | If a ray bisects an angle of a triangle, the it divides the opposite side into segments proportional to the other side.
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| Geometric Mean | x=(square root)(a)(b)
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| If the altitude is drawn to the hypotenuse of a right triangle, then: | the two triangles formed are similar to the original triangle and to each other.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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