求下面图形中阴影部分的面积。（单位：cm）/r(H6?*s)M(U9?3Q(H8Y+F(y
/r(H6?*s)M(U9?3Q(H8Y+F(y
算式：提示5G:Q(a/r(H6?*s)M(U9?3Q(H8Y+F(y
答：阴影部分的面积是;t3q)Z'Z5H,f+](o1C4O平方厘米。/r(H6?*s)M(U9?3Q(H8Y+F(y