Respuesta :

Heather

Answer:

96cm²

Step-by-step explanation:

Top left part:

12 x 3 = 36 cm²

Bottom right part:

The width is 12 - 6 = 6, then 6 + 6 = 12, so

12 x 5 = 60cm²

Add them together:

60 + 36 = 96cm²

Total:

96cm²