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Use your understanding of similarity of triangles to complete the sentences and calculate the dimensions for the pairs of similar triangles below. For help, see Similar Triangles and Other Shapes.  



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Related Resources
The various resources listed below are aligned to the same standard, (8G04) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.
Understand that a twodimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar twodimensional figures, describe a sequence that exhibits the similarity between them.
Example/Guidance
Similarity, Congruence and Transformations
Worksheet
Shapes and Figures
 Similar Triangles (1 of 2) e.g. calculating scale factors and dimensions
 Similar Triangles (2 of 2)
Similarity, Congruence and Transformations
Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:
Understand congruence and similarity using physical models, transparencies, or geometry software
 Congruent Triangles: With Transformations (From Example/Guidance)
 Congruence & Similarity: Dilations (From Example/Guidance)
 How To Find Missing Angles (From Example/Guidance)
 Transformations & Coordinates (From Example/Guidance)
 Transformations (3Page) (From Worksheet)
 Congruent Worksheet (1 of 3) (From Worksheet)
 Congruent Worksheet (2 of 3) (From Worksheet)
 Congruent Worksheet (3 of 3) (From Worksheet)
 Transformations: Vector Translations (From Worksheet)
 Transformations: Rotations & Reflections (From Worksheet)
 Transformations: Calculating Coordinates (From Worksheet)
 Missing Angles (3Page) (From Worksheet)
 180° in a Triangle Activity (2Page Cutting Out Activity) (From Worksheet)
 Finding Missing Angles (From Worksheet)
 360° in a Quadrilateral Activity (Activity: Cutting & Rearranging Corners) (From Worksheet)
 Dilations (Size Transformations) (From Worksheet)
 Similar Figures (From Worksheet)