PrincessNeNe63091 PrincessNeNe63091
  • 02-09-2017
  • Mathematics
contestada

The length of a rectangle is twice its width. if the area of the rectangle is 162 m2 , find its perimeter.

Respuesta :

texaschic101
texaschic101 texaschic101
  • 02-09-2017
L = 2W
A = L * W
A = 162

162 = 2W(W)
162 = 2W^2
162/2 = W^2
81 = W^2
sqrt 81 = W
9 = W

L = 2W
L = 2(9)
L = 18

P = 2(L + W)
P = 2(18 + 9)
P = 2(27)
P = 54 <===== perimeter is 54 m
Answer Link

Otras preguntas

help with the answer
What is the next term in the sequence? 2, -4, 8, -16, ...
PLEASE HELP ME i relly need help
What is – x4 + 2x3 + 6x2 – 10x – 4 divided by X – 2?
Which macromolecules are responsible for carrying the genetic material in a cell? -Nucleic acids -Lipids -Proteins -Carbohydrates
Taylor wants to find the perimeter of a rectangular playground. The lenght of the playground measures (3x-20) metres. The width of the playground measures (2x+
find the measure of b
Which part of economic theory is used to determine income and employment level of the economy ?(a) Microecnomics (b) Macroeconomics(c) Neither (a)nor(b)
is/big/a/very/country/the/world/nepal/in/?/ rearrange in form of yes/no question​
The biggest problem facing George H. W. Bush when he became president was?