Question

Two cars start at the same place and at the same time. One car travels west at a constant velocity of 50 mph and a second car travels south at a constant velocity of 60 mph. Approximately how fast is the distance between them changing one-half hour later?
A) 72 mph
B) 74 mph
C) 76 mph
D) 78 mph
E) 80 mph

Answer 1

you use pythagoreans theorem to find the hypotenuse

Answer 2

ill draw it out for you