We found out if you add the number of faces and vertices and then take away 2 it equals the number of edges. That is a quick way to find out the edges.

If you add the number of faces and the vertices and take away 2 this will happen 6+8=14-2=12. If we do one of these lessons again try find clues to solve the relationship between faces and vertices.

Number of faces + corners of shapes - 2 = edges Cube: Number of faces =6 Corners=8 Edges=12 8+6=14-2=12(edges) Tetrahedron: Number of faces=4 Corners=4 Edges=6 4+4=8-2=6(edges)

A pyramid is a polyhedron for which the base is a polygon and all lateral faces are triangles. In this lesson, we'll only concern ourselves with pyramids whose lateral faces are congruent — that is, they're the same size and shape.

.A face is a flat surface .An edge is where to face meet. . A vertex is a corner where edges meet. The plural is vertices. Here are most common 3D shape

We found out if you add the number of faces and vertices and then take away 2 it equals the number of edges.

ReplyDeleteThat is a quick way to find out the edges.

The number of faces added by the number of vertices subtract 2 equals the number of edges.

ReplyDeleteYou could also do vertices-2 plus NO. of faces. I've also observed that you all the numbers are in the 2 x tables

ReplyDeleteIf you add the number of faces and the vertices and take away 2 this will happen 6+8=14-2=12. If we do one of these lessons again try find clues to solve the relationship between faces and vertices.

ReplyDeleteThe rule is faces added by the number of vecities ( corners ) then subtract 2 equals the number of edges

ReplyDeleteNumber of faces + corners of shapes - 2 = edges

ReplyDeleteCube:

Number of faces =6

Corners=8

Edges=12

8+6=14-2=12(edges)

Tetrahedron:

Number of faces=4

Corners=4

Edges=6

4+4=8-2=6(edges)

A pyramid is a polyhedron for which the base is a polygon and all lateral faces are triangles. In this lesson, we'll only concern ourselves with pyramids whose lateral faces are congruent — that is, they're the same size and shape.

ReplyDelete.A face is a flat surface

ReplyDelete.An edge is where to face meet.

. A vertex is a corner where edges meet.

The plural is vertices.

Here are most common 3D shape

Another way to find NO. of edges is vertices plus faces-2.

ReplyDeletecube has 6 faces 8 vertice 12 edgess all these numbers are in the 2 timestabel i tell u how i know

ReplyDeleteyou do 6+8=14-2=12

ReplyDeleteA vertex (plural: vertices) is a point where two or more lines meet.

It is a Corner.

This tetrahedron has 4 vertices.

And this pentagon has 5 vertic