Respuesta :

Answer:

p=88

Step-by-step explanation:

(20*2)+(24*2)=

40+48=

88

Answer:

88cm

Step-by-step explanation:

Perimeter of a rectangle = 2 ( l + b )

Perimeter of Picture frame = 2 ( 24 + 20 )

= 48 + 40

= 88