ABCD is a trapezium, such that AB = CD a...

ABCD is a trapezium, such that AB = CD and AD || BC. AD = 5cm, BC = 9cm. If area of ABCD is 35 sq.cm then CD is :

A

`sqrt(29)" cm"`

B

5 cm

C

6 cm

D

`sqrt(21)" cm"`

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The correct Answer is:

A

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