Answer:
5600 m²
Step-by-step explanation:
The perimeter of a rectangle is 2x + 2y = 300
If we have a ratio of length to breadth, we can just assign variables to simplify the problem. It doesn't matter if x is breadth or length and the same goes for y. But in this case, I just choose x as length and y as breadth.
x = 8n
y = 7n
2(8n) + 2(7n) = 300
30n = 300
n = 10
so, plugging n into x and y
x = 8(10) = 80
y = 7(10) = 70
Area of a rectangle
A = xy
A = (80)(70) = 5600 m²
