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7 (from the greek "epta", meaning, you guessed it, seven)

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Q: How many sides does a hepta gon have?
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How many sides does a pentgon have?

A pentagon has five sides. The prefix "penta-" in pentagon refers to the number five, which is indicative of the shape having five sides. Each side of a pentagon connects two vertices, resulting in a total of five sides for the polygon.


What are the names and number of sides of all the polygons?

3 sides= triangle 4 sides= quadrilateral 5 sides= pentagon 6 sides= hexagon 7 sides= heptagon 8 sides= octagon 9 sides= nonagon 10 sides= decagon 11 sides= hendecagon 12 sides= dodecagon 13 sides= tridecagon/13-gon 14 sides= tetradecagon/14-gon 15 sides= pentadecagon/15-gon 16 sides= hexadecagon/16-gon 17 sides= heptadecagon/17-gon 18 sides= octadecagon/18-gon 19 sides= enneadecagon/19-gon 20 sides= icosagon/20-gon 30 sides= triacontagon/30-gon 40 sides= tetracontagon/40-gon 50 sides= pentacontagon/50-gon 60 sides= hexacontagon/60-gon 70 sides= heptacontagon/70-gon 80 sides= octcontagon/80-gon 90 sides= nonacontagon/90-gon 100 sides= hectagon/100-gon 1,000 sides= chiliagon/1,000-gon 10,000 sides= myriagon/10,000-gon 100,000 sides= decimyriagon/100,000-gon 1,000,000 sides= hecatommyriagon/1,000,000-gon Since there are infinitely many polygons, it is impossible to list the names of all of them.


How many sides and angles a hexagon has?

6 sides, 6 angles tri-3 tetra/quadrilateral-4 penta-5 hexa-6 hepta-7


How many sides does a n- gon have?

If you have a regular n-gon (meaning all the sides & angles are congruent to each other) use the first formula. x=Degrees Of An Angle & n=Number Of Sides On An N-Gon. 360 / (180 - x) = n Or, you can use this formula. x=Degrees Of An Angle & n=Number Of Sides On An N-Gon. (180(n - 2)) / n = x However, I am sorry to tell you that I am not very sure how to calculate this for irregular n-gons, but I am pretty sure that it uses this formula. x=Average Of All The Angles & n=Number Of Sides On An N-Gon. (180(n - 2)) / n = x


What is a polygon with an unknown number of sides called?

A polygon with an unknown number of sides is called a n-gon. The letter "N" in n-gon stands for unknown.