# What are d4 dice used for?

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Four-sided dice, abbreviated d4, are often used in tabletop role-playing games to obtain random integers in the range 1–4. Two forms exist of this die: a tetrahedron (pyramid shape) with four equilateral triangle-shaped faces, and an elongated long die with four faces.

## How do you use 4-sided dice?

For your specific case of 1d4+4, you would roll a single d4, look for the result on one of the die faces (just one side, don’t factor in the other sides; they’re the same), and then add 4 to the result. So the left die shown above would be 1+4=5 and the right die shown above would be 4+4=8.

## Is a d4 fair?

Single Skew d4 die, based on the scalene tetrahedron. These wacky-looking dice are actually just as fair as regular four-sided dice.

## What is a fair four-sided die?

A fair 4-sided die is rolled twice and we assume that all sixteen possible outcomes are equally likely.

## Are 10 sided dice fair?

Though 10-sided dice are not Platonic solids, all of their faces are the same shape and size. This means that they are as fair as Platonic solids in any reasonable situation.

## Do nine sided dice exist?

Nine-sided Die

Nine-sided d9 die. This design is based on spacing points as equally as possible on a sphere and then cutting planar slices perpendicular to those directions.

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