Respuesta :

starrynightsky921

Answer:

38.4 m

Step-by-step explanation:

First, you have to multiply all the sides' sum by 0.8, which is the same thing as 4/5.

Add all the sides. 16+12+20=48. 48*4/5=38.4

Hope this helps!

lowerdus000

Answer:

38.4 m

First, you have to multiply all the sides' sum by 0.8, which is the same thing as 4/5.

Add all the sides. 16+12+20=48. 48*4/5=38.4

I need 10 brainliests so please give me 1.