Polygons geomatry
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16 Terms
1
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Triangle
A polygon with 3 sides
2
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Quadrilateral
Polygon with 4 sides
3
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Pentagon
Polygon with 5 sides
4
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Hexagon
Polygon with 6 sides
5
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Septagon/Heptagon
Polygon with 7 sides
6
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Octogon
Polygon with 8 sides
7
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Nonagon
Polygon with 9 sides
8
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Decagon
Polygon with 10 sides
9
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hendecagon
Polygon with 11 sides
10
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dodecagon
Polygon with 12 sides
11
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n-gon
A polygon with a side higher than
12
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Sum of Int Angles Formula
(n-2) * 180
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Sum of Ext Angles Formula
360
14
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Measure of 1 Interior Angle formula
(n-2) * 180/n
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Measure of 1 exc angle Formula
360/n
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number of sides formula (n)
360/1 exc angle
Note 
Flashcards (49)