Polygons
PolygonsTrianglesQuadrilateralPentagonHexagonHeptagonOctagonDecagonPolygon
Song1Definition of PolygonA number of coplanar (on the same plane)
line segments, each connected end to end to form a closed
shape.
Where do we find polygons in nature?2QuadrilateralsFor coplanar
(on the same plane) line segments linked end to end to create a
closed figure. Also a four-sided polygon
8Scalene TriangleA triangle where all three sides are different
in length
4Isosceles TriangleA triangle which has two sides equal in
length
5Right TriangleA triangle where one of its interior angles is a
right angle (90 angle)
6Equilateral TriangleA triangle which has all three of its sides
equal in length
7SquareA four sided polygon with all sides equal and all
internal angles 90
9RectangleA four sided polygon where all interior angles are
90
What is the difference between a rectangle and a square?
A square has equal lengths while a rectangle does not10RhombusA
quadrilateral with all four sides equal in length
Is a square a rhombus? Why?
A square has four sides equal in length it is different because
it has equal angles but it is a rhombus11PentagonA polygon with 5
sides
Pentagons are found in soccer balls, also the famous building in
Washington D.C12HexagonA polygon with 6 sides
Hexagons are found in bee hives13HeptagonA polygon with 7
sides
14OctagonA polygon with 8 sides
15DecagonA polygon with 10 sides
16Polygon SongPolygons are on a planeSimple, closed, with many a
nameLine segments for every sideNothing curved can we abide
3 sided are Triangles4 sided we call Quadrilateral5 is known as
a PentagonJust like the building in Washington
Chorus
Think X for 6 and HexagonCool is 7 HeptagonOctagons have sides
of eightLook like stop signs, not home plateChorus
9 is for a NonagonDont really use then except in song10 sides
make a DecagonNow we know our Polygons!Chorus:
Dont use: 1, 2Start with: 3, 4Keep going: 5, 6, 7, 817D90,
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