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
llm
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