排列方式
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let x be the length of rectangle width of rectangle = (60-2x) / 2 = 30 - x the area A of rectangle = x(30 - x) = 30x...30-15) = 225 option B (by ...
the actual area of the rectangle = length X wide = (3 cm X 250) X (4 cm X 250) = 750 cm... method： the area on the map = (3 X 4)cm2 = 12cm2 this ...
let w be the width of the rectangle then the length is √[(2a)^2 -w^2] =√(4a^2 -w^2) area of the rectangle...
...square. If the squares can exactly cover the rectangle, k is a factor of 36. k is also a factor...if the question is transform into this: "A ...
1 the area of rectangle A=X (24-2X) cm^2 to find the largest possible area of...when X>6 , dA/dX>0 so when X=6, the area of rectangle is the larg ...
...width. 2x+5 be the length. 2x+2(2x+5)=70 2x+4x+10=70 6x=60 x=10 ∴the width of the rectangle is 10cm the length of the rectangle is 2(10)+5=25cm ...
Assume the original rectangle is 10cm x 6cm, cut into 2 parts A and B. A ...
1. ∵rectangle ABEF and parallelogram CDEF have same base and height ∴area of rectangle... can be obtained by subtracting the common space from the rectangl ...
The width of 2 middle rectangle = √{[(4-2)/2]^2 + (√3)^2} = 2 surface area :2 trapeziums + 4 rectangles...
1. Ifthe length and the width of a rectangle are 1cm and 8cm less than its diagonalrespectively, findthe perimeter of the rectangle...d - 13) = 0 d = 5 ...