The perimeter of the circular flower bed in the central square is 28.26 meters. How many square meters is its area?
The radius of flower bed: 28.26 ÷ (2 × 3.14) = 28.26 ÷ 6.28 = 4.5 (meters) the area of flower bed: 3.14 × 4.52 = 63.585 (square meters) a: the area is 63.585 square meters