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Geometry in Our World Name: ______________________ Due Date: ___________________ OUTCOME E1: recognize, name, describe and construct polygons 4 3 2 1 TASK: Create a visual dictionary of the geometric terms below. Use Chapters 7 and 10 in your textbook, Get Ready sections (ch. 7 & 10), the Glossary and the internet to help you complete this assignment. INCLUDE: the underlined term at the top of the page; a sketch of something in your everyday world that clearly represents the polygon; a definition (friendly language); a line of symmetry (if possible) and colour. Mathematics, especially geometry, can be seen in the world around us…just about everywhere we look. It is your job to take notice! Here is the list of polygons and other geometric terms: Polygon Pentagon Square Concave polygon Convex polygon Octagon Rhombus Equilateral Triangle Obtuse triangle Trapezoid Scalene Triangle Perpendicular bisectors Rectangle Right Triangle parallel lines angle bisectors Regular polygon Hexagon Acute triangle Parallelogram Isosceles triangle Kite perpendicular lines Example: Scalene Triangle A scalene triangle is a triangle whose sides and angles are NOT congruent. There is NO line of symmetry in a scalene triangle.. The sails on sailboats are an example of scalene triangles.