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A diagonal line of a polygon is a line that joins any two vertices not already joined by a side.
A polygon with n sides has n(n-3)/2 diagonals
→ a decagon has 10(10-3)/2 = 10 × 7 ÷ 2 = 35 diagonals
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∙ 6y ago
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How many lines of symmetry does a decagon?
A decagon need not have any lines of symmetry. It can also have 1 or 10 lines of symmetry.
How many lines of symmetry does a decagon have?
A decagon need not have any lines of symmetry. It can have 10.
How many lines of symmetry does regular decagon have?
Ten.
How many facts does a decagon have?
A decagon is a 10 sided polygon Exterior angles add up to 360 degrees Interior angles add up to 1440 degrees It has 35 diagonal A decagon can have a regular or an irregular shape
How many symmetry lines dose a decagon shape has?
6
How many diagonal lines can be in a ten sided figure?
A decagon has 35 diagonals
How many diagonal lines can be drawn inside a figure with ten sides?
There are 35 diagonals inside a decagon
How many diagonal in a regular decagon?
35 diagonals
How many lines of symmetry does a decagon?
A decagon need not have any lines of symmetry. It can also have 1 or 10 lines of symmetry.
How many parallel lines does an decagon have?
A regular decagon would have five sets or parallel lines.
How many lines of symmetry does a decagon have?
A decagon need not have any lines of symmetry. It can have 10.
How many lines of symmetry on a decagon?
10 lines of symmetry
How many lines of symetry are in a decagon?
10
How many diagonal lines are there in a heptagon?
A heptagon has 4 diagonal lines and 7 sides and it has 2 congruent diagonal lines and 2 congruent triangles
How many diagonal for the hexagon?
There are four diagonal lines in a hexagon.
How many lines of symmetry does a regular decagon have?
10
How many lines of symetry has a regular decagon?
The answer is 24.
