2arctan(2/5) = 44°
180° -44° = 136°
The angles are 44°, 136°.
Answer:
20 km/h
Step-by-step explanation:
the total time is 0.5 hours as the cyclist travels for 30 minutes
the formula for speed is distance travelled divided by time taken which gives us 20 km/hr
Answer:
the answer is 3.9 km/h southeast
It would probably depend on what you mean by "smallest". If it means "smallest in magnitude", then of course the smallest slope you can have is zero.