Formulas are simply equations that express a relationship between more than one variable or letter.

P = 2L + 2W — This formula gives the perimeter of a rectangle P in terms of its width W and and its length L. Below it is solved for L and W.

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A = 1/2hb — This formula gives the area of a triangle A in terms of its height h and and its base b. Below it is solved for h and b.

d = rt — This formula gives the distance d in terms of rate r and time t. Below it is solved for r and t.

C = πr and C = 2πd — These formulas give the circumference of a circle in terms of pi and radius r and pi and diameter d. pi is π.

A = πr² — This formula gives the area of a circle in terms of its radius and pi. pi is π.

Below, d is solved for the circumference of a circle and r is solved for the area of a circle.

List of Formulas

Get the solutions for formulas and other math problems here.