Respuesta :

Definition :-

When many plain surfaces combine eachother yielding staright edges ,sharp vertices is called polyhedron .

  • Example-cube

#1

Yes

  • It's cuboid or rectangular prism

#2

No

It has circular shapes ,no sharp edges

#3

No

  • It has a sharp vertice but no staright edges .

#4

Yes

  • It has flat base and sharp edges also staright edges

Hexgonal pyramid

Determine: whether the solid is a polyhedron If it is, name the polyhedron. If not, write no

Answer

1. CUBE

  • yes it is example of Polyhedron

2. CYLINDER

  • No Non polyhedron

3. CONE

  • No Non polyhedron

4. HEXAGONAL PYRAMID

  • Yes it is example of Polyhedron

Explaination:

example of Polyhedron

  • a solid figure with many plane faces typically more than six

example of Non Polyhedron

  • are cones, spheres and cylinders because they have sides that are not polygons

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