Find the perimeter of a rectangle that is 6 cm wide and 4 times longer.

In order to answer the question of the problem, namely, to calculate the perimeter of a rectangle, we must remember the formula by which you can calculate it.

The following formula is used to find the perimeter of a rectangle:

P = 2 (a + b);

where a and b are the length and width of the rectangle.

From the condition it is known that the width is 6 cm, and the length is 4 times the width.

Find the length:

6 * 4 = 24 cm.

We just have to substitute the data into the formula and calculate:

P = 2 (6 + 24) = 2 * 30 = 60 cm.

Answer: 60 cm perimeter of the rectangle.