The rectangle is 28m and its area is 40m². Find the sides of the rectangle.

Knowing the perimeter and area of the rectangle, we will try to find its sides.

We know that the area of a rectangle is the width multiplied by the length, if our area is 40 square meters, then let’s say that the width will be (4 cm) and the length (10 cm).

Then we will try to check along the perimeter, as we know, to calculate the perimeter, we need to add the width (4) to the length (10) and multiply this by 2: (10 + 4) * 2 = 28.

Answer: The length of the rectangle is 10 cm and the width is 4 cm.