代数应用题!In the figure,the length and the width of a rectangle are 5 cm and y cm respectively.Find the area and the perimeter of the rectangle.

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代数应用题!Inthefigure,thelengthandthewidthofarectangleare5cmandycmrespectively.Findtheareaandtheperimete

代数应用题!In the figure,the length and the width of a rectangle are 5 cm and y cm respectively.Find the area and the perimeter of the rectangle.
代数应用题!
In the figure,the length and the width of a rectangle are 5 cm and y cm respectively.Find the area and the perimeter of the rectangle.

代数应用题!In the figure,the length and the width of a rectangle are 5 cm and y cm respectively.Find the area and the perimeter of the rectangle.
日..为什么发英文..
周长:2*(5+y)=(2y+10)cm
面积:(5y)cm^2