This shape has 7 sides What name is it?
113217
There are two names for a seven sided shape, heptagon and septagon.  Both answers are equally correct
623411
Pentagon = 5, decagon = 10, quadrilateral = 4, and heptagon = 7.
978615
a polygon with 5 sides is a pentagon.\n\nthis has two right angles so it would look like the picture of a basic drawing of a house.   see the pic of the house attached.\n\nhttp://www.thestationerystudio.com/index.cfm/fuseaction/catalog.viewProduct/productId/5214
834440
Zeroth dimension = point\nFirst dimension = line\nSecond dimension = square\nThird dimension = cube\nFourth dimension = tesseract\nFifth dimension = decateron\n\nThe rests have names (I've lost the website), but what you are listing is the names of polygons (at least after the tesseract), all two-dimensional objects.\n\nA two dimensional object with:\n3 sides = triangle\n4 sides = square\n5 sides = pentagon\n6 sides = hexagon\n7 sides = heptagon\n8 sides = octagon\n9 sides = nonagon\n10 sides = decagon\n\nSee the below for the construction of the rest of the names:
667352
octagons have 8\npolygons with "x" sides will have "x" axes of symmetry
747405
15 inches\nThe side of a regular hexagon inscribed in a circle is the same as the radius of the circle. In fact, if you connect the center of the circle to each vertex of the hexagon (with a straight line segment), then you will have 6 equilateral triangles that all meet at the center of the circle.
858717
oblique, obilisque shape
643430
7 gon is known as heptagon.\n\nremember this : one exterior angle of polygon=\n                               360/(sides of polygon)\n          thus for heptagon: one exterior angle=360/7\n                                               =51.428 deg\ntotal sum of exterior angles=  360 degrees
962470
a 20 faced polyhedron is called an \nicosahedron-the faces are equilateral\ntriangles\na 20 sided polygon is called an\nicosagon\n\ni hope that this helps
605515
It is not exactly round, just looks that way.\n\nSee webpage below for the correct shape.
459931
a nine-sided polygon???  can't wait to see other answers...
219885
triangle- 3side\nquadrilateral- 4side\npentagon- 5side\nhexagon- 6side\nheptagon- 7side\noctagon- 8side\nnonagon- 9side\ndecagon- 10side\ndodecagon- 12side\nicosagon- 20side
53700
Ten. It's greek and means "ten angles", so that there are also ten sides.
830003
i don;t know all of them, but here are a few:\n-rectangle\n-square\n-rhombus\n-parallelogram\n-kite\n-trapezoid\n-and closed abject with four sides!\n-cyclic quaDrilateral     \n-cyclic-inscriptable \n\ncheck out the site dr. math for more info on quadrilaterals!
38631
its a regular polygon called vajra
424627
11 - undeca\n\n12 - dodeca\n\nEX:\n\nundecagon - polygon with 11 sides.\n\ndodecagon - polygon with 12 sides.
650552
It is called regular polygon.