Respuesta :

Answer:

19 meters

Step-by-step explanation:

Hope it helps :)

Answer:

19 square meters

Step-by-step explanation:

Area= L • W

57= ? • 3

So you would divide:

57/3 = 19

Therefore, 19 is our length and unknown measurement.

Area= 19 • 3

Area= 57

Hope this helps, good luck!