A square colored paper is divided into two identical rectangles. The perimeter of each rectangle is 24 decimeters. How many square decimeters is the original square paper area? Can you explain it clearly and in detail

A square colored paper is divided into two identical rectangles. The perimeter of each rectangle is 24 decimeters. How many square decimeters is the original square paper area? Can you explain it clearly and in detail


Let the side length of a square be 2a, then 6A = 24 and a = 4
It turns out that the square paper area = 8 & # 178; = 64 (square decimeter)