Given a square of 10cm each side with the four semi circles inside as shown in the above
diagram, find the area of the shaded portion  Choose the correct choice from the following answers
A) 54	B) 55	C) 56	D) 57	E) 58
area quadra circle- area of triangle   area of triangle =1/8(area of square)   required area=((pie*5*5/4)-(10*10/8))*8=57   ANSWER:57
<result>D</result>
Given a square of 10cm each side with the four semi circles inside as shown in the above
diagram, find the area of the shaded portion