Geometry Chapter 7
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Last updated 10:26 PM on 12/3/22
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15 Terms
1
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triangle
3 sides
2
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quadrilateral
4 sides
3
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pentagon
5 sides
4
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hexagon
6 sides
5
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septagon (or heptagon)
7 sides
6
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octagon
8 sides
7
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nonagon
9 sides
8
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decagon
10 sides
9
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elevenagon
11 sides
10
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dodecagon
12 sides
11
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equation for:
sum of interior angles of a n-gon
sum of interior angles of a n-gon
(n-2)180
12
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equation for:
one interior angle of a regular n-gon
one interior angle of a regular n-gon
(n-2)180
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n
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n
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sum of exterior angles of any convex polygon
360 degrees
14
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equation for:
one exterior angle of a convex polygon
one exterior angle of a convex polygon
360/n
15
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equation for:
finding the number of sides
finding the number of sides
360/exterior angles
Note 
Flashcards (118)