Question

A circle touches all the four sides of a quadrilateral ABCD with AB=6 cm,BC=7 cm and CD=4 cm. find AD. ​

Answer 1

Answer:

                       

Step-by-step explanation:

when a circle is inscribed in a quadrilateral the points on the circle touching the quadrilateral divide the sides in two equal parts

AS=AP=a, DS=DR=d, CR=CQ=c ,BQ=BP=b

therefore AD+BC=AB+CD

AD+7=4+6

AD=3cm

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Answer 2

Answer:

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