Download Geometry in Our World

Geometry in Our World
Name: ______________________
Due Date: ___________________
OUTCOME E1: recognize, name, describe and construct polygons 4
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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.