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

describe the solutions of 4 < n+2 in words but solve it first please!
results of 1+2+3+....+99+100+99+...+3+2+1 is.....
What is being personified in the following passage? Fear had settled over the city.
how are plains formed
How do you calculate the initial speed given time and displacement? The question is: The longest kick in CFL history was 83.2m. If the ball remained in the air
What is an analogy for democracy?
When 8.00x10^22 molecules of ammonia react with 7.00x10^22 molecules of oxygen according to the chemical equation shown below, how many grams of nitrogen gas ar
briefly describe the five stages of the cell cycle
express each number in fraction form before finding the inverse:7,10,1 3/4,
Give a counter example to this statement. The quotient of two fractions between 0 and 1 is always a whole number.