In the given diagram, ABCD is a square and semi-circular regions have been added

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In the given diagram, ABCD is a square and semi-circular regions have been added to it by drawing two semi-circles with AB and CD as diameters. If the total area of the three regions is 350 sq.cm, then the length of the side of the square is equal to :

Options:

A . $$5\sqrt 7 $$ cm

B . 7 cm

C . 13 cm

D . 14 cm

Answer: Option D

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