Respuesta :

mhanifa

Answer:

  • 40% increase

Step-by-step explanation:

Initial perimeter:

  • P = 2(4 + 6) = 20

Perimeter after change:

  • P = 2(4*2 + 6) = 28

Change in perimeter:

  • 28- 20 = 8

Percent change:

  • 8/20*100% = 40%