Respuesta :

Answer:

26.86

Step-by-step explanation:

P = 5 + 7 + 7 + C {divided by} 2

C = d {times} π

  = 5 {times} 3.14

  ≈ 15.71

P = 19 + 15.71 {divided by} 2

  = 19 + 7.855

  = 26.855

  ≈26.86