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Earn +20 ptsQ: How many diagonals does a 20 sided polygon have?
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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 can be drawn from any vortex 20-sided polygon?
17
How many diagonals can be drawn from any vertex of a 20 sided polygon?
17
How many diaganls does an octagon have?
An 8 sided octagon has 20 diagonals according to the formula 0.5*(n^2 -3n) whereas n is the number of sides of the polygon.
How many vertices would there be if you had a 20-sided polygon?
A 20-sided polygon is called an icosagon. In geometry, a polygon with n sides has n vertices. Therefore, a 20-sided polygon would have 20 vertices. Each vertex represents a point where two sides of the polygon intersect.
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