question_answer

In the figure given below, ABCD is a square of side 28 cm, and two semicircles are drawn inside it with AB and CD as diameters. Find the area of the unshaded portion. \[\left( \text{Use}\,\pi \,\text{=}\frac{22}{7} \right)\]

A)  \[476\,c{{m}^{2}}\]               

B)  \[168\,c{{m}^{2}}\]

C)  \[238\,c{{m}^{2}}\]               

D)  \[315\,c{{m}^{2}}\]

E)  None of these