The width of the rectangle is 6.14 m and it is 5.4 m less than the length, find the perimeter.

First of all, we find the value of the length of the rectangle, provided that it is greater than the width, equal to 6.14 m by 5.4 m:

6.14 + 5.4 = 11.54 m.

A rectangle is a rectangle whose opposite sides are equal. The perimeter (the sum of all sides) of such a figure is calculated by the formula:

P = 2a + 2b = 2 * 6.14 + 2 * 11.54 = 12.28 + 23.08 = 35.36 m.