Respuesta :

vxna

Answer:

2160 cm

Step-by-step explanation:

9x5x4x12=2160 :)

Answer:

42

Step-by-step explanation:

Divide the shape into a square and a triangle.

The area of the square would be 4×9 which is 36.

The area of the triangle will be 3*4/2=6

Add them to get 42