Answers

2016-06-25T22:00:11+08:00
X(x+7)=18
the x represents as width and the x+7 represents as the length
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  • Brainly User
2016-06-25T22:13:21+08:00
Representation:
Width: x
Length: x + 7

To find the Area:
     Area = (L) (W)

Equation:
     Area = (x+7)(x)

To find the Perimeter:
     Perimeter = 2(L) + 2(W)

Equation:
     Perimeter = 2(x+7) + 2(x)      
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