No straight sides
circle (constant diameter)
ellipse, oval (varying width)
Three or more straight lines (polygons) --
3 sides
triangle
4 sides (quadrilaterals)
square (4 equal sides, right angles)
trapezoid (4 sides with only 1 set of parallel lines)
rectangle (4 sides with 2 sets of parallel lines)
rhombus (4 sides, 2 parallel pair)
5 sides - pentagon
6 sides - hexagon
7 sides - heptagon (rarely septagon)
8 sides - octagon
9 sides - enneagon (classically - nonagon)
10 sides - decagon
11 sides - hendecagon (classically - undecagon)
12 sides - dodecagon (classically - duodecagon)
13 sides - tridecagon or triskaidecagon
14 sides - tetradecagon
15 sides - pentadecagon
16 sides - hexadecagon
17 sides - heptadecagon
18 sides - octadecagon
19 sides - enneadecagon (nonadecagon)
20 sides - icosagon
30 sides - tricontagon
1000 sides - chiliagon
10000 sides - myriagon
1000000 sides - megagon
The names of some 3-dimensional shapes (solids)sphere - 3-dimensional circle
spheroid, ellipsoid - 3-dimensional curved shape with oval cross sections
cylinder - circle/oval extended in one direction, with 2 spheroid ends
cone - circular base, constant triangular cross section
-(created by rotating a triangle about a bisector)
spiral a flat curve
helix a risen curve
Shapes with flat planar sides (polyhedrons, polyhedra) --
pyramid - solid with 3 or more triangular faces, any number of sides for a base
tetrahedron - four triangular faces
pentahedron - 5 faces (square pyramid, prism)
cube - 3-dimensional square, 6 faces
Some 3D shapes are cones, cubes, pyramids, and cylinders.
1. a 2.b 3.c 4.U!
A shape is an object with a specific number of sides. Some examples of shapes include circles, squares, triangles, pentagons, and hexagons.
the six main crystals are: cubic hexagonal orthcrhombic(?) monoclinic, tetragonal trilinic
No not really
Organic shapes don't have names. They are random shapes that you make up.
There are infinitely many shapes and not all of them have names.
Polygonal (2-d) shapes get their (not there) names from the number of sides; polyhedra (3-d) shapes get their names from the number of faces.The names of other shapes: circles, ellipses, torus, cardioid etc have different origins.
What are the names of the six main kinds of crystal shapes
There are infinitely many 3d shapes and many of them do not have specific names.
from there sides
by their shapes and where they live
Polygons.
multi sided shapes are called polygons
As there are an infinite number of shapes, it is impossible to list the names of them all.
hello
Circle :)