Set Theory
Set meaning
All of the #s in a group
144
92 x 22
72
Meaning of face
Flat surface of a 3-D shape.
Element meaning
A part of a set.
502
2500
Square root of 144
12
Meaning of vertex
2 or more lines meeting at a point.
Intersection meaning
New set containing all elements that are common.
252
625
Square root of 16 + square root of 25
9
Meaning of edge
Where 2 more faces meet.
Union meaning
All elements in all sets
1242
15376
Square root of 324
18
Meaning of net
A 2-D layout of a 3-D shape.
What type of diagram is usually used in set theory?
Venn diagram
92 + 212
522
Square root of 50 / square root of 2
25
3D shape meaning
A three dimensional shape.