1.6 notes
- 1. 1.6 Classify Polygons August 22, 2011 Bellwork 1. What are complementary angles? sum = 90 degrees 2. m JLM? M 105 15 L 105 + 15 = 120 J 3. Given that 3 is a supplement of 4 and m 3=119 , find m 4. 4. Name a pair of vertical angles. 180 119 = 61 2 1 1,4; 2,5; 3,6 3 6 4 5 5. Did you know that you may use your notes on Bellwork? Yes you may! HW pg. 44 #329 odds 1
- 2. 1.6 Classify Polygons August 22, 2011 1.6 Classify Polygons Polygon: closed figure w/ 1. formed by 3 or more sides 2. each side intersects exactly 2 sides at each endpoint (no collinear points) Naming a polygon: list the vertices in consecutive order A B D Vertex C E Identifying a polygon: Convex: no line contains Concave: a line contains a a point in the interior vs. point in the interior of of the polygon the polygon. HW pg. 44 #329 odds 2
- 3. 1.6 Classify Polygons August 22, 2011 HW pg. 44 #329 odds 3
- 4. 1.6 Classify Polygons August 22, 2011 Classifying Polygons 3 4 5 6 10 Triangle Quadrilateral Pentagon Hexagon Decagon ngon: n is the number of sides Equilateral: all sides ≅ Equiangular: all angles in interior are ≅ Regular: covex, equilateral & equiangular HW pg. 44 #329 odds 4
- 5. 1.6 Classify Polygons August 22, 2011 HW pg. 44 #329 odds 5
- 6. 1.6 Classify Polygons August 22, 2011 HW pg. 44 #329 odds 6
- 7. 1.6 Classify Polygons August 22, 2011 HW pg. 44 #329 odds 7
- 8. 1.6 Classify Polygons August 22, 2011 HW: pg. 44 #329 odds HW pg. 44 #329 odds 8