the length of a rectangle is five less than twice it's width.if the perimeter of the rectangle is 56 inches,find its dimensions.

Mathematics · College · Tue Nov 03 2020

Answered on

Let the width of rectangle be x

Then, Length of rectangle is 2x -5

Perimeter = 56

Perimeter = 2(L + W)

56 = 2 ( x + 2x - 5)

56/2 = 3x - 5

28 = 3x - 5

3x = 28 + 5

3x = 33

x = 33/3

x = 11

So, length = 2(11) - 5

= 22 - 5 = 17 in

And width = 11 cm

Related Questions