As in figure,the area of square&nbs
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/06/28 07:00:45
As in figure,the area of square ABCD is 169cm2 and the area ofthombus BCPQ is 156cm2.Then the area of the shadow part is( )(英汉词典:square正方形;thombus菱形)
A. 23cm2
B. 33cm2
C. 43cm2
D. 53cm2
![](http://img.wesiedu.com/upload/7/6a/76a35a36f93e7227eef49072e6a2ec29.jpg)
B. 33cm2
C. 43cm2
D. 53cm2
![As in figure,the area of square&nbs](/uploads/image/z/5478575-23-5.jpg?t=As%26nbsp%3Bin%26nbsp%3Bfigure%EF%BC%8Cthe%26nbsp%3Barea%26nbsp%3Bof%26nbsp%3Bsquare%26nbs)
![](http://img.wesiedu.com/upload/c/db/cdb8301ee876fb5f33e1af2ea6f55577.jpg)
∵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,∴AM=1,
BM=12,BQ=13,
∴MQ=5,
∴S△BMQ=5×12÷2=30,
∴阴影部分面积为:30+13=43cm2.
故选C.
As in figure,the area of square&nbs
As in figure 2.In the circular 
The government &nbs
As in right figure,in a quadrilater
英语翻译speaking area in Chicago ,
&nbs
( )4( ) &nbs
Pople's Square is (in the centre of &n
Follow the Chinese. Fill in the&nbs
The sum of n different positive&nbs
英语翻译 first step in domestication&nbs
一道gmat数学题In the figureabove, a square&nb