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Mathematics 7 Online
OpenStudy (anonymous):

The length of a rectangle is 2 yd longer than its width. If the perimeter of the rectangle is 32 yd , find its area.

OpenStudy (anonymous):

does anybody know how to solve problems like this?

OpenStudy (dayakar):

can u draw a rough figure

OpenStudy (anonymous):

i think its 16 because i divided the perimeter by 4 and times it by 2

OpenStudy (dayakar):

can u show ur work

OpenStudy (quantummechanics):

Hello, so lets let \(w = width\) and \(l = length\) we have that the length is 2 yards longer than its width so we can represent our length as \[l = w+2\] and the perimeter is the distance around a 2d shape, since it's a rectangle we then have \[P = 2w+2l\] with this you may find the length by plugging in the equation \[l=w+2\] for length in the perimeter equation and solve for the width then you may find the width after and apply the area of a rectangle which is\[A = lw\]

OpenStudy (anonymous):

so its 62?

OpenStudy (dayakar):

no

OpenStudy (quantummechanics):

Please use the steps I've shown

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