haybale1239 haybale1239
  • 09-11-2020
  • Mathematics
contestada

the length of a rectangle is six times its width. if the area of the rectangle is 294 cm^2, find its perimeter. ​

Respuesta :

azukaojukwu1971 azukaojukwu1971
  • 09-11-2020

Step-by-step explanation:

length the width be= W

let the length be =6×W=6W

area = length ×width

294=6W × W

294= 6w^2

49=w^2

the square root of 49 is 7

so the width is 7

while the length is 7 ×6=42

perimeter=2(L+W)

p=2(42+7)

p=2(49)

p= 98

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