设长方形边长为a,b
根据题目 意思
a^2+b^2=x^2
2(a+b)=100 即a+b=50
所以(a+b)^2-2ab=a^2+b^2
即2500-2ab=x^2
得出面积ab=1250-x^2/2
求面积的题目,不要结果The perimeter of a rectangle is 100 and its diago
2个回答
相关问题
-
The perimeter of a rectangle is 72m. What are its dimensions
-
The square is divided into five rectangles,the perimeter of
-
A rectangle has perimeter 22 m.Express the area of the recta
-
If we cut the circle into a rectangle,it perimeter will add
-
1.the square is divided into five rectangles ,the perimeter
-
A rectangle has perimeter 44 cm.Find its area if its length
-
The area of a rectangle is 60 cm2.The length of the rectangl
-
(1 pt) The width of a rectangle is 5 less than twice its len
-
In the fihure ,the length of rectangle ABCD is 3 times its w
-
the perimeter of a certain isosceles right triangle is 16 +