Respuesta :

Answer:

3

Step-by-step explanation:

The left side of A is 1 unit

The left side of B is 3 units

The scale factor is 3

Check:

The top of A is  3 units and the top of B is 9

3*3 = 9

Answer:You don't have to put my answer because I don't trust myself but, figure a is 3 and figure b is 30 so im gonna say 10

Step-by-step explanation: