As in figure,the area of square ABCD is 169cm
2 and the area ofthombus BCPQ is 156cm
2.Then the area of the shadow part is( )(英汉词典:square正方形;thombus菱形)

A. 23cm
2B. 33cm
2C. 43cm
2D. 53cm
2
延长PQ到AB于一点M,∵正方形面积为169cm2,∴AB=BC=13cm,∵菱形QBCP的面积为:156cm2,∴菱形边长BC=PC=13,∴△MBQ≌△PCN,正方形面积169cm2减去菱形QBCP的面积156cm2为13cm2,∴矩形AMND面积为13,∵AD=13,∴A...