Respuesta :

pwf4ca8swy

Answer:

Step-by-step explanation:

It is 3 because of you multiply 10x3 you get 30 so the answer is  A.

noahgarner2008

Answer:

A.3

Step-by-step explanation:

im assuming all sides are equal so

10x=30

/10   /10

x=3

hope this helps have a blessed day :)