The answers is 1 becuase 3/3=1 and 4/4=1
Answer:
57 for the third side
Step-by-step explanation:
a = √(c² - b²)
Answer: 
Step-by-step explanation:
Let the smallest angle be x.
Then, the middle angle is x+30.
The largest angle is 2x+30.
Angles in a triangle add to 180 degrees, so:

So, the angles measure 
He travels approximately 45 miles