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“P. Sherman, 42 Wallaby Way, Sydney!”

“P. Sherman, 42 Wallaby Way, Sydney!”. 7.2 Similar Polygons. Similarity. F. G. ABCD ~ EFGH. B. C. 5in. 3in. 72°. E. H. D. A. 6in. Similar Polygons: Polygons having corresponding angles congruent and corresponding sides proportional (denoted “~”).

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“P. Sherman, 42 Wallaby Way, Sydney!”

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  1. “P. Sherman, 42 Wallaby Way, Sydney!”

  2. 7.2 Similar Polygons

  3. Similarity F G ABCD ~ EFGH B C 5in 3in 72° E H D A 6in Similar Polygons: Polygons having corresponding angles congruent and corresponding sides proportional (denoted “~”). Similarity Ratio: The ratio of the lengths of corresponding sides in similar polygons.

  4. Similarity Given LONM ~ QTSR below, find the value of x.

  5. Similarity Determine whether the triangles are similar. If they are, write a similarity statement and give the similarity ratio. E B 78° 20 16 15 12 78° 35° 67° D F A C 24 18

  6. Golden Ratio GOLDEN RECTANGLE ACTIVITY!!!!

  7. Golden Ratio Golden Rectangle: A rectangle that can be divided into a square and a rectangle that is similar to the original rectangle. The Golden Ratio is ≈ 1.618 An artist plans to paint a picture. He wants the canvas to be a golden rectangle with its longer horizontal sides 30cm wide. How high should the canvas be?

  8. “Onions have layers.”

  9. 7.2 Similar Polygons HW 7.2: #2-12 even, 13-16, 21-28, 32-35 THT: #1-4, 16, 18-25

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