Classwork Series and Exercises {Mathematics- JSS3}: Formulae and Change of Subject

Formulae and Substitution A formula is an equation with letters which stands for quantities. For example C = 2πr Is the formula which gives the circumference, c, of a circle of radius r. In science, I = V/R Is the formula which shows the relationship between the current I amps, voltage, V volts, and resistance, [...]