In a square, all the mid points are joined. The inner square is shaded.
If the area of the square is A, what is the area of the shaded area?
If the area of the square is A, what is the area of the shaded area?
本文探讨了一个几何问题:在一个正方形中连接所有中点形成一个新的内嵌正方形,并对该内嵌正方形的面积进行了计算。如果外部正方形的面积为A,那么内部阴影部分的面积是多少?

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