ABCD is a square, 4 equal circles are just joining each other whose centers are the vertices A,B,C,D of the square. What is the ratio of the shaded to the unshaded area within square?

ABCD is a square, 4 equal circles are just joining each other whose ce

1.	ABCD is a square, 4 equal circles are just joining each other whose centers are the vertices A,B,C,D of the square. What is the ratio of the shaded to the unshaded area within square?
Answer» ABCD is a square, 4 equal circles are just joining each other whose centers are the vertices A,B,C,D of the square. What is the ratio of the shaded to the unshaded area within square?