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stepladder [879]
3 years ago
6

hancock building dimensions. the top of the john handcock building in Chicago is a rectangle whose length is 60ft more than widt

h. the perimeter is 520 ft. find the width and the length of the rectangle. find the area of the rectangle.
Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0
Rectangle shape.
Length = x + 60 ft
Width = x
Perimeter = 520

Perimeter = 2(L+W)
520 = 2(x+60) + 2(x)
520 = 2x + 120 + 2x
520 = 4x + 120
520 - 120 = 4x
400 = 4x
400/4 = x
100 = x

Length = x + 60 = 100 + 60 = 160 ft
Width = x = 100 ft

Area = Length * Width
A = 160ft * 100ft
A = 16,000 ft²
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============================================================

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