I know lots of people say there's no thing, but thats wrong. A dicot is a shape that has 2 points or angles. For example, a straight line. The two ends on that makes it a dicot.
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
18. If a polygon has n sides, then it has n-2 triangles.There are 18 triangles in a 20 sided polygon.
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
interior angle of an n-sided polygon = (180(n-2)/n)°interior angle of a 24-sided polygon = (180x22/24)° = 165°
There is no such thing as a 2-sided polygon.
11
There is no such thing as a two-sided polygon.
Normally the minimum number sides a polygon can have is 3 which is a triangle and probably there is no such name given to a 2 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.
There aren't two sided polygons
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circle
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
A 3 sided polygon with 2 equal sides is an isosceles triangle
18. If a polygon has n sides, then it has n-2 triangles.There are 18 triangles in a 20 sided polygon.
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon