maddiemp9971 maddiemp9971
  • 25-01-2018
  • Mathematics
contestada

The length of a rectangle is twice its width. if the perimeter of the rectangle is 60 cm , find its length and width.

Respuesta :

frenchiegirl
frenchiegirl frenchiegirl
  • 28-01-2018
largeur = x 

longueur  = 2 x 

2 ( x + 2 x ) = 60 

2 x + 4 x = 60

6 x = 60
x = 10 

largeur = 10  et longueur = 20 
Answer Link

Otras preguntas

In which one of the following sentences could you best use a semicolon? A If you ask me Jerry is a tennis whiz. B When she is worried Lucille eats a lot. C Jerr
What is the difference between proper and common adjectives?
What features distinguish anthropoids from strepsirrhines
jessie sorted the coins in her bank. she made 7 stacks of 6 dimes and 8 stacks of 5 nickels. she then found 1 dime and 1 nickel. how many dimes and nickels does
Leo has a total of 45c. he has some dimes and pennies . How many  different combinations of dimes and pennies could Leo have?make a table to solve.
In which one of the following sentences could you best use a semicolon? A If you ask me Jerry is a tennis whiz. B When she is worried Lucille eats a lot. C Jerr
Why did the Marbury v. madison case happen?
What features distinguish anthropoids from strepsirrhines
the area where rock under stress breaks and triggers an earthquake is called the ___________
Why do the track runners start at different positions on the track?