karlyaaanis23 karlyaaanis23
  • 02-04-2020
  • Mathematics
contestada

a rectangle has a length of 12 feet and a perimeter of 40 feet
A-8 feet
B-12 feet
C-16 feet
D-28 feet

Respuesta :

ghanami
ghanami ghanami
  • 02-04-2020

Answer:

x= 8 feet   (answer : A)

Step-by-step explanation:

hello :

the perimeter is : P= 2(x+y)       y : the length      x : the width

P=40   and  y = 12    calculate : x

2(x+12) =40

divid by 2 :  x+12 =20

x=20-12

x= 8 feet

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