It depends on what the formula is for (perimeter, are, length of side, height, angles, etc) and what information you have (same list).
Formule X was created in 2007.
la Formule Un
The formula unit of sodium chloride is NaCl.
The cast of De formule van Lorentz - 2011 includes: Bernard Dumoulin as himself Hilde Verwimp as herself
A rhombus. A rhombus. A rhombus. A rhombus.
c'est la formule chimique de l'huile végétale.
formule chimique de l'eau
It is 29.3333333 some write the formule by improving.
Methane is CH4
A rhombus may be a square or just a rhombus (a rhombus is merely called a rhombus when there are no 90 degree angles).
une voiture de Formule 1
Is a rhombus.