圖示陰影部分的面積為:()。
A.78500B.58300C.479300D.675000
A.89.45,62.56B.72.65,58.78C.58.78,72.65D.62.56,89.45
A.X =119.2404、Y =108.6824B.X=124.4498、Y =79.1382C.X =129.6593、Y =49.5939D.X =80.4189、Y =40.9115