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Properties of Similar Polygons

Properties of Similar Polygons. Lesson #4 Pg. 131. Vocabulary. Similar Polygons Polygons that have the same shape Scale Factor The ratio of the lengths of two corresponding sides of two similar polygons Math Symbols Congruent Similar ~. What you will learn…. Similar Polygons

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Properties of Similar Polygons

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  1. Properties of Similar Polygons Lesson #4 Pg. 131

  2. Vocabulary • Similar Polygons • Polygons that have the same shape • Scale Factor • The ratio of the lengths of two corresponding sides of two similar polygons • Math Symbols • Congruent • Similar • ~

  3. What you will learn… • Similar Polygons • Finding missing measures • http://www.youtube.com/watch?v=9IUI3jtSEWU

  4. Real World Link • Are the prints in proportion? • Are the side lengths in proportion? • What do you notice about the angles?

  5. Similar Polygons • If two polygons are similar, then… • There corresponding angles are congruent • The measures of their corresponding sides are in proportion • Symbols Y B X Z C A

  6. Examples • Determine whether rectangle HJKL is similar to rectangle MNPQ. Explain. 6 N P 3 J K 7 10 10 7 H L 3 M Q 6

  7. Examples • Quadrilateral WXYZ is similar to quadrilateral ABCD • Describe the transformations. • Find the missing measure. W 24 X A B 13 m 12 D Z 10 C 15 Y

  8. Homework HC: pg. 135-136 (1-11)CC: pg. 135-136 (1-5, 7, 9-11)www.ixl.com H8

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