Respuesta :

Answer:

  • 21 ft.

Step-by-step explanation:

Not area. Perimeter.

Simple way:

  • 4.25 + 6.25 + 4.25 + 6.25

Advanced way:

  • (4.25 + 6.25)*2

Solve:

  • 4.25 + 4.25 + 3.25 + 6.25
  • = 8.5 + 12.5
  • = 21.

Solve:

  • (4.25 + 6.25)*2
  • = 10.5 * 2
  • = 21.

Your answer is 21.