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polygons
Yes.
The side that is curved, when placed by itself (without bending or manipulating in any way), is not a polygon, making the shape not entirely made of polygons. A 3D figure must be made by only polygons to be a polyhedron.
triangles , polygons ,quadrilaterals
Polyhedra (singular: polyhedron)
two, squares and rectangles
polygons
all letters
he made the properties of the polygons.
There are infinitely many polyhedra that can be made from two different polygons.
polygons
Polyhedron
geodesic
All polygons are.
Yes.
The side that is curved, when placed by itself (without bending or manipulating in any way), is not a polygon, making the shape not entirely made of polygons. A 3D figure must be made by only polygons to be a polyhedron.
They are made of straight lines, all in one plane, such that pairs of them meet at vertices.