The length of a rectangle is three more than twice the width. Find the width and the length if the perimeter is 84 f
Mathematics · High School · Wed Jan 13 2021
llm
Answered on
Given :
Perimeter = 84 ft
Let the width of rectangle be x
Then, Length of rectangle is 2x + 3
Formula:
Perimeter = 2(length + width)
84 = 2(2x + 3 + x)
84 = 2(3x + 3)
84 = 6x + 6
6x = 84 - 6
6x = 78
x = 78/6
x = 13
So, width = 13 ft
Length = 2(13) + 3
= 26 + 3
= 29 ft