All sides of a quadrilateral ABCD touch ...

All sides of a quadrilateral ABCD touch a circle. If `AB = 6 cm, BC = 7.5 cm, CD = 3 cm`, then `DA` is

A

`3.5` cm

B

`4.5` cm

C

`2.5` cm

D

`1.5` cm

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The correct Answer is:

D

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