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Q150: ABCD is a square with side a. In centres A,B,C and D four circles are drawn such that each circle touches externally the remaining three circles. Let δ be the area interior of the square and exterior of the circles. What is the value of δ?
Anonymous Quiz
a²(1 - π)
a²[(4 - π) ÷ 4]
a²(π - 1)
(πa²) ÷ 4
156 answered



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