1
Q
A polygon
A
Is a region of a plane bounded by a straight lines.
The sum of the interior angles of a polygon with n sides is (n-2)x180°
The exterior angles is 360°
2
Q
Triangle
A
180°
3
Q
Quadrilateral
A
360°
4
Q
Pentagon
A
540°
5
Q
Hexagon
A
720°
6
Q
Heptagon
A
900°
7
Q
Octagon
A
1,080°
8
Q
Nonagon
A
1,260°
9
Q
Decagon
A
1,440°
Geometry
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