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BieberJustin
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what is the perimeter and lenght of a rectangle if area=515.97 and width=18.9 ....???
 2 years ago
 2 years ago
BieberJustin Group Title
what is the perimeter and lenght of a rectangle if area=515.97 and width=18.9 ....???
 2 years ago
 2 years ago

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Decart Group TitleBest ResponseYou've already chosen the best response.2
2widths and 2lenghts give perimeter. and length times width is area you have to unkowns in two equations solve for one then substitute
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
\[2l+2w=perimeter\]
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
\[lw=area(515.97)\]
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
substitute 18.9 for w and solve for l in the second equation
 2 years ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
how do i get the lenght??
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
what do you get
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
in the second equation lenght times width equalls area subtitute 18.9 then solve for l by dividing both sides of the equation by w
 2 years ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
is it right?? i get 27.3 for the leght... can you please check it if it is right... :d
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
now substitute l and w in the first equation to get the perimeter.
 2 years ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
so what is the p??
 2 years ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
thanks!
 2 years ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
2l+2w=perimeter
 2 years ago
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