Mathematics for IGCSE & O level - Equations (Section 7 - No. 43)
If you know the area of a rectangle, A, and the length, l, what is the correct equation to find the width, w?
w = A * l
w = A + l
w = A / l
w = l / A
Uitleg
The area of a rectangle is A = l * w. To find w, divide A by l: w=A/l.