We can use Triangle Inequality Theorem, the length of the third side of a triangle must always be between (but not equal to) the sum and the difference of the other two sides.
4.1 - 1.3 < x < 4.1 + 1.3
2.8 < x < 5.7
so, the answer is 2.8 < x < 5.7
        
             
        
        
        
Answer:
406 meters squared
Step-by-step explanation:
14 times 5= 70 (Section 1)
21 times 16= 336 (Section 2)
(Combine Sections 1 and 2)
336 + 70= 406
*I'm not 100% certain that this is correct, but I'm pretty sure it is*
 
        
                    
             
        
        
        
Answer:
(3,4)
Step-by-step explanation:
 
        
                    
             
        
        
        
Probably miles, canyons are HUGE, it's only logical to use miles