Respuesta :

Bitkoy

Answer:

96 cm square is the area of the rectangle

Step-by-step explanation:

40 cm = 2 * 12cm  + 2* x

           = 24 cm + 2x

2x = 40 - 24

   = 16

x = 8

Thus the length is 8 cm.

Therefore,

Area = 8cm * 12cm

      = 96 cm square