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How many diagonals does a polygon with 3 sides have?
That polygon is called a "triangle". It has no diagonals.
How many diagonals does a polygon with 100 sides have?
There are: 0.5*(1002-(3*100)) = 4850 diagonals
How many diagonals are there in a polygon of n sides?
n(n-3)/2
How many diagonals does a 20-sides polygon have?
A polygon with n sides had n*(n-3)/2 diagonals. So a 20 sided polygon would have 20*17/3 = 170
How many sides a polygon has with 10 diagonals?
Such a polygon does not exist. A polygon with n sides has 0.5*n*(n-3) diagonals If there are 10 diagonals then 0.5*n*(n-3) = 10 which requires n2 - 3n - 20 = 0 which has no integer roots.
What geometric triangle diagonals?
A geometrical triangle has 3 sides but no diagonals.
How many diagonals does a polygon with 3 sides have?
That polygon is called a "triangle". It has no diagonals.
How many diagonals does a heptagon have?
A polygon with n sides has n(n-3)/2 diagonals. A heptagon has 7 sides giving it 7(7-3)/2 = 14 diagonals.
How many diagonals does a polygon with 100 sides have?
There are: 0.5*(1002-(3*100)) = 4850 diagonals
How many sides does a polygon have when it has 152 diagonals?
It must have 19 sides to comply with the formula:- 0.5*(192-(3*19)) = 152 diagonals
How many diagonals does a convex polygon with 23 sides have?
A polygon with n sides has n*(n - 3)/2 diagonals. So n = 23 gives 23*20/10 = 230 diagonals
How many diagonals on a shape that has seven sides?
There are 7*(7-3)/2 = 7*4/2 = 14 diagonals.
How many diagonals are there in a polygon of n sides?
n(n-3)/2
How many diagonals does a 20-sides polygon have?
A polygon with n sides had n*(n-3)/2 diagonals. So a 20 sided polygon would have 20*17/3 = 170
How many diagonals does a shape with 5 sides have?
5(5-3)/2. That it is the formula so that shape would have 5 diagonals. n(n-3)/2 where n is the number of sides
How many diagonals to a dodecagon?
A polygon with n sides has 1/2*n*(n - 3) diagonals. So, for a polygon, with n = 12, there are 54 diagonals.
How many diagonals are there in a hexagon?
In a polygon with n sides there are n*(n-3)/2 diagonals. For a hexagon, n = 6 giving 9 diagonals in all.
