Set Theory
Square
Square Roots
Geometry and 3-D shapes
100

Set meaning

All of the #s in a group

100
122


144

100

9x 22

72

100

Meaning of face

Flat surface of a 3-D shape.

200

Element meaning

A part of a set.

200

502

2500

200

Square root of 144

12

200

Meaning of vertex

2 or more lines meeting at a point. 

300

Intersection meaning

New set containing all elements that are common.


300

252

625

300

Square root of 16 + square root of 25

9

300

Meaning of edge 

Where 2 more faces meet. 

400

Union meaning

All elements in all sets

400

1242

15376

400

Square root of 324


18

400

Meaning of net

A 2-D layout of a 3-D shape.

500

What type of diagram is usually used in set theory?

Venn diagram

500

92 + 212

522

500

Square root of 50 / square root of 2

25

500

3D shape meaning 

A three dimensional shape.