Christina187 Christina187

08-03-2017
Mathematics

contestada

The length of a rectangle is 5 ft longer than its width. If the perimeter of the rectangle is 38 ft , find its area.

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zoelsimmons zoelsimmons

08-03-2017

ok so basically L=5+w
w=w
P=38
and A=?
well we know that P=all the four sides added so
38=2(5+w)+2w
38=10+2w+2w
38=10+4w
28=4w
w=7
so if L=w+5 then L=7+5 so L=12
A=LxW so A=12x7 A=84

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