PPT-POLYGONS ( except Triangles)

Polygon Interior angle sum The sum of the interior angle measures of an n sided convex polygon is n2 180 Po lygon Exterior angle sum The sum of the exterior angle measures of a convex polygon one angle at each vertex is 360 degrees. Solve for x in the picture below:. 3x+22. 5x-4. Section 4.1: Congruent Figures. LEQ: What are congruent figures and their properties?. Pop Quiz write on your note sheet. Write never, sometimes or always.. By. : . Team Math. tables found on wikepedia under polygons. Resource Page. Polygon names. . Name. Sides. triangle. (or trigon). 3. quadrilateral. (or tetragon). 4. pentagon. 5. hexagon. 6. heptagon. BUILDING POLYGONS. We use line segments to build polygons. . A polygon is a closed shape with straight sides.. POLYGON. NOT A POLYGON. POLYGONS. POLYGONS. Polygons may also be called 2D shapes or PLANE FIGURES. . When you are finished checking your study link; start on . Math Boxes 3.8. I can find the angle measurement sum for any polygon.. 3.9 Angles of polygons. 1. . Draw a large triangle on the blank piece of paper on your desk.. Helpful websites. http://www.regentsprep.org/Regents/mathb/1c/preprooftriangles.htm. http://www.mathwarehouse.com/geometry/congruent_triangles/. http://www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Congruent-Triangles.topicArticleId-18851,articleId-18788.html. Properties & Attributes. A . few polygons. Triangle. Quadrilateral (much more on these later). Pentagon. Hexagon. Heptagon. Octagon. Regular. . polygons . are . both . equilateral. and . equiangular. What is a polygon?. Closed figure. At least 3 sides. Line segments are sides. Sides meet is call a vertex. More Polygon Terms. Diagonal – connects two non consecutive vertices. Concave – at least one diagonal outside polygon, dented in. They are shapes with all straight sides. You’ve got triangles and squares. You’ve got . rhombuses . and hexagons. Just know that circles are not there.. I want to talk parallelograms!. They’ve got 2 pairs of parallel sides. Using Game Theory to Investigate Segregation in Society. Parable of the Polygons. “. Parable of the Polygons. ” is a website which uses apps to explore how areas of cities can become segregated. . They are shapes with all straight sides. You’ve got triangles and squares. You’ve got . rhombuses . and hexagons. Just know that circles are not there.. I want to talk parallelograms!. They’ve got 2 pairs of parallel sides. The following presentation is a geometry lesson for fifth to sixth grade students. The slides show photographs of different houses and an explanation or definition of geometry terms. . The students are also shown an example of each term that has been . Lewis Carroll/Charles Dodgson. Some . fun facts:. .. as a mathematician, Dodgson was, in the words of . . Peter Heath: "An inveterate publisher of trifles [who] was forever putting out pamphlets, papers, broadsheets, and books on mathematical topics [that] earned him no reputation beyond that of a crotchety, if sometimes amusing, controversialist, a compiler of puzzles and curiosities, and a busy yet ineffective reformer on elementary points of computation and instructional method. In the higher reaches of the subject he made no mark at all, and has left none since." . Characteristics of a Polygon. Decide if each shape is a polygon or not. . . Polygon . . Not a Polygon. Convex Polygons. Line segments do not extend into itself. Concave Polygons. Line segments DO extend into itself. Investigating Regular Polyhedra– Level 1. What You’ll Learn…. What the Platonic solids are, what makes them unique, and how they relate to one another.. The math behind these special shapes and why there is a limited number of regular polyhedra. .