Find the perimeter and area of a rectangle that is 12 cm wide and 4 cm less than its length.

The perimeter of any rectangle is found using the following formula:

P = 2 * (a + b), where a is the length of the rectangle and b is its width.

We don’t know the length of the rectangle. Let’s find it:

a = 12 + 4 = 16 cm.

Now you can find the perimeter of the rectangle as well. Let’s calculate it:

P = 2 * (16 + 12) = 2 * 28 = 56 cm.

The area of a rectangle can be found using the following formula:

S = ab.

Let’s calculate the area of this rectangle:

S = 16 * 12 = 192 cm².

Answer: the perimeter of the required rectangle is 56 cm, the area of the rectangle is 192 cm².