agagnie agagnie

04-02-2020
Mathematics

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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

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