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CBSE Class 9 Answered

Let ABCD be a unit square. Draw a quadrant of a circle with A as centre & B & D as end points of an arc. similarly, draw a quadrant of a circle with B as centre & A, C as end points of the arc.Inscribe a circle touching the arc AC externally, the arc BD internally & also touching the side AD. Find the radius of the circle?
Asked by | 01 Mar, 2013, 12:57: AM
Expert Answer
Draw a line EF parallel to AB and CD and passing through the center of the circle (point O) intersecting AD and BC at point E and F respectively. 
Answered by | 01 Mar, 2013, 09:45: AM
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