Asked by Anonymous
                The leng of the smaller rectangle is 1 inch less than twice its wide. both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. the area of the shaded region is 86 square inches. what is the area of the smaller rectangle?
            
            
        Answers
                    Answered by
            Steve
            
    assuming the smaller rectangle is enclosed by the larger, we have
small rectangle: w(2w-1)
large rectangle: (w+2)(2w-1+2)
Assuming the shaded region is the difference between the two rectangles, we have
(w+2)(2w+1)-w(2w-1) = 86
w = 14
So, the smaller is 14x27, with area=378
    
small rectangle: w(2w-1)
large rectangle: (w+2)(2w-1+2)
Assuming the shaded region is the difference between the two rectangles, we have
(w+2)(2w+1)-w(2w-1) = 86
w = 14
So, the smaller is 14x27, with area=378
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