Cool math tricks
Geometry
Hyperoperations
Set Theory
100

252

625

100

Area of a square with side length 7

49

100
What is 132

169

100

What does cardinality mean

The number of elements in a set
200

11x63

693

200

Area of a triangle with height 12 and base 5

30

200

What does ↑ mean

It symbolizes Knuth Up Arrow, which represents hyperoperations

200

What is {3, 4, 7} U {5, 12, 102}

{3, 4, 7, 5, 12, 102}

300

root 289

17

300

Interior angle sum of a triangle

180

300

What is 3↑3

27

300

What is the smallest infinity

Countable infinity

400

2352

55225

400

What is a 10 sided shape called

Decagon

400

What is Grahams number

Three tetrated to the 64th power
400

What is ℝ

The set of all real numbers

500

root 4489

67

500

Number of degrees in the interior angle of an 8 sided shape.

135

500

What is the 5th hyperoperation

Pentation

500

What is the name for the hebrew letter representing mathematical infinity

Aleph

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