如图,菱形ABCD和菱形ECGF的边长分别为3和4,∠A=120°,则图中阴影部分的面积是
A:3
B:943
C:23
D:32
①Mary where nine play football three friends a thin boy
②Who is she,Mary? She's your grandmother.
若|x﹣3|+(3y+4)2=0,则xy=____.