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How many diagonals are in a 7 sided polygon?
A 4-sided polygon has 2 diagonals. A 5-sided polygon, 5. 6-sided, 9. By induction, an n-sided polygon has 'n*(n-3)/2' diagonals. "n" is how many sides a shape has. so, (7)*(7-3)/2 now we have, 7*4/2 so, 28/2 = 14 Therefore, a 7-sided polygon would have 14 diagonals.
Is a cylinder a polygon?
No, a cylinder is not a polygon. It is not a polygon because it has curved sides. In order to be considered a polygon, it would need to have flat sides. Also, a polygon is a 2 dimensional shape but a cylinder is a three dimensional shape.
What do you call a polgon with 10 sides?
A polygon with ten sides would be called a decagon.
How do you find how many sides a polygon would have with only an angle?
If the only information that you have is the angle and the shape is a polygon, then you cannot determine how many sides the polygon consists of. The minimum number of sides is 3, but without seeing a picture, or knowing what type of polygon (e.g. right triangle or equalaterial triangle), then you won't be able to determine how many sides the polygon has.
A eight sided polygon is called a what?
Commonly a polygon with more then 10 sides is referred to as n-gon for example one with 48 sides would be a 48gon.The closest actually named polygon to a 48gon is a Pentacontagon which has 50 sides.
