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  | 1st 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  | 1st Mar, 2013, 09:45: AM

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