This is a right triangle. To find the length of the hypotenuse a^2 + b^2 = c^2.
21^2 + 18^2 = c^2
441 + 324 = c^2
765 = c^2
27.66 km
2/3
Divide the numerator and denominator by their gcd which is 5
1 lap to ten minutes or 1:10 due to the fact that it takes ten minutes to run one lap. hope this helps, have a nice day :)
Answer:
Well if you need help with graphing, there's a website named Desmos Graphing calculator. If you want to get your grades up, listen to some music then do the easy stuff. I dont know any websites from the top of my head :p
Step-by-step explanation:
