The perimeter of an heptagon = 8
Calculate side, area
s = | P |
7 |
s = | 8 |
7 |
s = 1.1428571428571
A = 7/4s2cot(180°/7)
A = 7/4(1.1428571428571)2cot(25.714285714286)
A = 7/4(1.3061224489796)cot(25.714285714286)
A = 2.2857142857143 x 2.0765213992964
A = 4.7463346269633
Interior Angle Sum = (sides - 2) x 180°
Interior Angle Sum = (7 - 2) x 180°
Interior Angle Sum = 5 x 180°
Interior Angle sum = 900°
Diagonals = | n(n - 3) |
2 |
Diagonals = | 7(7 - 3) |
2 |
Diagonals = | 7(4) |
2 |
Diagonals = | 28 |
2 |
Diagonals = 14
1 vertex Diagonals = n - 3
1 vertex Diagonals = 7 - 3
1 vertex Diagonals = 4
Triangles = N - 2
Triangles = 7 - 2
Triangles = 5
Sides (Edges) = 7
Faces = 1
Vertices = 7
P = 8
s = 1.1428571428571
A = 4.7463346269633
Interior Angle sum = 900°
Diagonals = 14
1 vertex Diagonals = 4
Triangles = 5
Sides (Edges) = 7
Faces = 1
Vertices = 7
P = 8
s = 1.1428571428571
A = 4.7463346269633
Interior Angle sum = 900°
Diagonals = 14
1 vertex Diagonals = 4
Triangles = 5
Sides (Edges) = 7
Faces = 1
Vertices = 7
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