CircleHard
Question
Circles are drawn touching the co-ordinate axis and having radius 2, then -
Options
A.centre of these circles lie on the pair of lines y2 - x2 = 0
B.centre of these circles lie only on the line y = x
C.Area of the quadrilateral whose vertices are centre of these circles is 16 sq. unit
D.Area of the circle touching these four circles internally is 4π(3 + 2√2)
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