Respuesta :

Answer:

19 square cm

Step-by-step explanation:

4 + 2.5 = 6.5

4 × 6.5 = 26

Since the shape is half of the product above, we're going to divide it by 2

26 ÷ 2 = 13

4 × 3 = 12

12 ÷ 2 = 6

Now to add them together

13 + 6 = 19