The territory of the school has a rectangular shape; it is fenced with a fence, one side of which is 64 meters

The territory of the school has a rectangular shape; it is fenced with a fence, one side of which is 64 meters and the other is 19 meters shorter. What is the area of the fenced area?

Let’s find the second side (width) of the fence that encloses the school grounds:
1) 64 – 19 = 45 meters – the second side of the fence.
Area of the rectangle: S = a * b, where a is the length of the rectangle, b is the width of the rectangle.
Let’s calculate the area of the fenced area:
2) 64 * 45 = 2 880 m2 (square meters) – the area of the territory.
Answer: 2880 m2.