7.2 Similar Polygons 2011 January 07, 2011 7.2 Similar Polygons (and a surprise) Objective: Identify and use similar polygons. Feb 6­9:55 AM 1 7.2 Similar Polygons 2011 January 07, 2011 Warm­up Feb 6­10:02 AM 2 7.2 Similar Polygons 2011 January 07, 2011 What does it mean to be similar? Feb 6­10:05 AM 3 7.2 Similar Polygons 2011 January 07, 2011 How can we tell if two polygons are similar ? Two polygons are similar if corresponding angles are congruent and corresponding sides are proportional. Feb 7­1:57 PM 4 7.2 Similar Polygons 2011 January 07, 2011 Using Similarity This is called a similarity statement. Feb 7­2:07 PM 5 7.2 Similar Polygons 2011 January 07, 2011 Determining if Two Polygons are Similar Feb 7­2:08 PM 6 7.2 Similar Polygons 2011 January 07, 2011 Using Similarity Feb 7­2:25 PM 7 7.2 Similar Polygons 2011 January 07, 2011 Homework Pg. 375 # 1­6, 7­15 odd, 18,33,35 http://www.pbs.org/wgbh/nova/physics/hunting­hidden­dimension.html <redir.aspx?C= 784c5439f8e44fe99f630b46c91d0f6c&URL=http%3a%2f%2fwww.pbs.org%2fwgbh%2fnova%2fphysics%2fhunting­hidden­ dimension.html> it's Now time!!!!! movie Feb 7­2:30 PM 8