PPT-3.9 Angles of Polygons

Thursday October 17 Math Message Label unit 39 and the date at the top of your Math Response Complete the following in your Math Notebook Using a straightedge draw a big triangle in your notebook. Angles that form angles Angles that form A A complete revolution complete revolution add up to add up to 360 360 Exam Exam ple ple ABC forms a ABC forms a complete complete revolution with revolution with reflex reflex ABC ABC 360 360 35 325 35 and the people who love them. A Math Lesson. Thursday, December 8, 2011. Name: ____________________________________. Classify Polygons. Directions:. Write the name of each polygon on the line underneath it.. Angles are ACUTE angles Angles equal to 90 are RIGHT angles Angle are OBTUSE angles Angles equal to 180 Angles more than 180 are REFLEX angles Created By: 2BrokeTeachers. A Parade of Four-Sided Polygons. Quadrilaterals. There are many different types of quadrilaterals. We identify quadrilaterals using their sides and angles. . Side. Angle. Let’s Review…. I can identify regular and not regular polygons and find the angle measurements of regular polygons. Review. The lengths of three sides of a triangle are given. Classify the triangle.. 1.. 12, 12, 12. Polygons. Polygon . Definition. : A polygon is a closed figure in a plane, formed by connecting line segments endpoint to endpoint. Each segment intersects exactly two others. . Side. vertex. Polygons!. Created By: 2BrokeTeachers. A Parade of Four-Sided Polygons. Quadrilaterals. There are many different types of quadrilaterals. We identify quadrilaterals using their sides and angles. . Side. Angle. Let’s Review…. 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. Sides = 3 , Vertices = 3 , Angles = 3. Triangle. Sides = 4 , Vertices = 4 , Angles = 4. Quadrilateral. All quadrilaterals : have 2 pairs of . Equal. & . Parallel. . sides. Except. . Trapezoid. Angles and Geometry. Dr J Frost (jfrost@tiffin.kingston.sch.uk) . Last modified: 5. th. January 2014. Copy the diagram, then determine x.. Starter. 11. °. x. °. 22. °. 11. °. 22. °. 136. °. 33. Concept 1. Find the Interior Angles Sum of a Polygon. A. . Find the sum of . the measures . of the interior angles of a convex nonagon.. A nonagon has nine sides. Use the Polygon Interior Angles Sum Theorem to find the sum of its interior angle measures.. This unit introduces Polygons. . It defines polygons and regular polygons, and has the Polygon Angle Sum theorem. . This unit also details quadrilaterals, special quadrilaterals, congruent polygons, similar polygons, and the Golden Ratio.. 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 . Classifying Polygons. Students . will be able . to:. Identify the 2-dimensional shapes based on their properties.. Key Vocabulary. Polygons. Triangles. Quadrilaterals. Pentagons and Hexagons. Other Polygons.