Respuesta :
					                   C.21 ft x 48 ft 
because you multiply 7 by 3 and 12 by 3 and that is what it is
					                
					                
					             because you multiply 7 by 3 and 12 by 3 and that is what it is
Answer: Its C im doing USATestprep and i got it right and that other guy has expert verification so yeah
Step-by-step explanation:
 
			                   
					                  