agagnie
agagnie agagnie
  • 04-02-2020
  • Mathematics
contestada

The length of a rectangle is three times its width. Find the area of the rectangle if its perimeter is 14 cm.

Respuesta :

27leejaey 27leejaey
  • 21-05-2021

Answer:

15

Step-by-step explanation:

L= 3W

Perimeter = 2(l+w) = 40

2(3w+w) = 40

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

Answer Link

Otras preguntas

Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to 1.3 the library. How far did you travel?
what does etymology study?
Which of the allies suffered the greatest losses on D-Day
What is the slope of any line parallel to the line 8x + 9y = 3 in the standard (x,y) coordinate plane?
What are abiotic factors of the enviroment lynx
What is 0.05 percent of 6.5?
How many grandparents have my grandparents? who can solve it is very good on maths! it is just a lpgic problem! i know the answer :)
Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to 1.3 the library. How far did you travel?
A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
USE A NUMBER LINE TO FIND 8/9 / 8/45.