A hill in the Tour de France bike race has a grade of 8%. To the nearest degree, what is the angle that this hill makes with the horizontal ground? Round to the nearest tenth of a degree.

Answer 1

8% = 8/100 = .08

so tanØ = .08
Ø = 4.57
= 4.6° to the nearest tenth

Answer 2

Liola drives 25 km up a hill that is at a grade of .