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Let A B C D be a quadrilateral with area...

Let `A B C D` be a quadrilateral with area `18` , side `A B` parallel to the side `C D ,a n dA B=2C D` . Let `A D` be perpendicular to `A Ba n dC D` . If a circle is drawn inside the quadrilateral `A B C D` touching all the sides, then its radius is `a = 3` (b) 2 (c) `3/2` (d) 1

A

3

B

2

C

`(3)/(2)`

D

1

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Let A B C D be a quadrilateral with area 18 , side A B parallel to the side C D ,a n dA B=2C D . Let A D be perpendicular to A Ba n dC D . If a circle is drawn inside the quadrilateral A B C D touching all the sides, then its radius is 3 (b) 2 (c) 3/2 (d) 1

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