Divide 250 miles by 17 mpg:
250 miles
-------------- = 14.7 gallons (absolute mininum). Go for 15 gallons.
17 mpg
There is no image, but I can help you by telling you what an acute angle is:
An acute angle is any angle that has a measure LESS then 90 degrees
Hope this helped!
~Just a girl in love with Shawn Mendes