POLYGONS

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POLYGONS
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What is the term for a 3-sided polygon?
Triangle
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What is the term for a 5-sided polygon?
Pentagon
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What is the term for an 8-sided polygon?
STOP
Octagon
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What is the term for a 12-sided polygon?
Dodecagon
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What is the term for a 9-sided polygon?
Nonagon
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What is the term for a 10-sided polygon?
Decagon
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How many sides does a heptagon have?
seven
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How many sides does a quadrilateral have?
Four
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What term describes only the blue polygons?
Convex
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Equiangular
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Equilateral
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Regular
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The Sum of the interior angles of an n-gon
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The measure of one interior angle of a regular
n-gon
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The Sum of the exterior angles of an n-gon
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The measure of one exterior angle of a regular
n-gon
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Whats true about an interior and exterior angle
of a polygon?
Supplementary
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For polygons to fit around a vertex, the sum of
their interior angles must be
360
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A regular n-gon has lines of symmetry and
rotational of
n
360/n degrees
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Find the sum of the interior angles of a decagon
1440
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Find the measure of 1 interior angle of a regular
18-gon
160
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Find the sum of the exterior angles of a 55-gon
360
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Find the measure of one exterior angle of a
regular 24-gon
15
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The sum of the interior angles of what polygon is
4500?
27-gon
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The measure of 1 interior angle of what regular
polygon is 170?
36-gon
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The measure of 1 exterior angle of what regular
polygon is 8?
45-gon
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A regular octagon has 8 lines of symmetry and
what degree of rotation?
45
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The sum of its interior angles is 4 times the sum
of its exterior angles.
decagon
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What regular polygon is missing
?
Another hexagon
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What regular polygon is missing
?
Another Octagon
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Whats the symmetry of a regular decagon?
10 lines, 36 degr. rotational
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Find x (Given a regular octagon)
x
X 90 degrees
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What 3 regular polygons will tessellate the plane?
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Equilateral triangles
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Regular Hexagons
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Squares
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