Tina measures the distances between three cities on a map. The distances between the three cities are
45 miles, 56 miles, and 72 miles. Do the
positions of the three cities form a
right triangle?

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.