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the formula is: # of sides x (# of sides - 3) / 2

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16 sided figure diagonals?

A 16 sided polygon has 104 diagonals


What figure will always have congruent diagonals?

A regular polygon.


How many diagonals are in a nine sided figure?

A polygon with n sides has n*(n-3)/2 diagonals. Simple as that. So a 9 sided polygon has 9*6/2 = 27 diagonals.


How do you draw a polygon with 2 pairs of parallel sides 2 pairs of sides equal in length and 2 acute and 2 obtuse angles and all the possible names for it?

It is difficult to give instructions about drawing a figure without knowing what information (side lengths, angle measures, diagonals) you have about it.A parallelogram. And, if all four sides are of the same length, then a rhombus. or a rhombus.It is difficult to give instructions about drawing a figure without knowing what information (side lengths, angle measures, diagonals) you have about it.A parallelogram. And, if all four sides are of the same length, then a rhombus. or a rhombus.It is difficult to give instructions about drawing a figure without knowing what information (side lengths, angle measures, diagonals) you have about it.A parallelogram. And, if all four sides are of the same length, then a rhombus. or a rhombus.It is difficult to give instructions about drawing a figure without knowing what information (side lengths, angle measures, diagonals) you have about it.A parallelogram. And, if all four sides are of the same length, then a rhombus. or a rhombus.


How many diagonals in a 9 sided polygon?

It depends. It doesn't have to always be the same shape. So it can be 0, it can be 1, as long as it has straight lines and is a closed figure, it's a polygon. * * * * * What? A polygon with n sides has n*(n-3)/2 diagonals. Simple as that. So a 9 sided polygon has 9*6/2 = 27 diagonals.


How many diagonals are there in an 11-sided figure?

There are 44 diagonals in an 11-sided polygon. heres how to find the amount of diagonals: S=amount of sides 1/2 S(S-3)


A 5 sided polygon?

A person can draw a five-sided polygon by drawing a pentagon. This is the figure that looks like a house.


The diagonals of a quadrilateral must bisect each other?

The answer is no the diagonals do not have to bisect each other. That does not necessarily mean that there isn't a quadrilateral that has bisecting diagonals. A quadrilateral is a four-sided polygon which is a close plane figure; in this case with four sides. Meaning that all ends of the straight lines that configure a polygon must connect someway, somehow.


How many diagonals does a septagon have?

There are 14 diagonals in a septagon. Another name for a septagon is heptagon. This is a seven-sided polygon. To figure the numbers of diagonals, you can use the formula 1/2 x [n x (n-3)], where n is the number of sides.


What type of figure must a quadrilateral be if its diagonals bisect each other?

A quadrilateral is a type of polygon that has four corners and sides. It is called a parallelogram (rectangle, square, or rhombus) when its diagonals bisect to each other.


How many diagonals would a 12-sided n-sided figure have?

number of diagonals in an n-sided polygon is n(n-1)/2 - n If the polygon has 12 sides, number of diagonals is 12(12-1)/2 -12 = (12)(11)/2 -12 = 132/2 - 12 = 66-12 = 54


Is a slanted square a polygon?

Yes a polygon is any closed figure with or without straight sides