Answer to Question #140909 in Trigonometry for Ria

Question #140909

The grade of a road is 3%.
a) Calculate the vertical climb, in meters, for a horizontal distance of 1.5 km.
b) Calculate the run, in kilometers, necessary to reach the top of an 81 m high hill.

Expert's answer

a) "c=1500*0.03=45\\ m."

b) "r=\\frac{81}{0.03}=2700 \\ m=2.7 \\ km."

Learn more about our help with Assignments: Trigonometry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. A surveyor has been given the job of finding the width of a river. She cannot measure the distance a
2. From a position on the beach, Amelia can see two buoys that mark the turning points for a canoe race
3. Find the course and distance from a position 37⁰ 01’ N 9⁰ 00’W to a position 36⁰ 11’N
4. Marion needs to find the cosine of Pi over 12. If she knows that cos Pi over 6 = root 3 over 2, how
5. Determine the values of sin(2a), cos(2a) and tan(2a) , given cos(a) = -4/5 and Pi over 2 ≤ 0 ≤ P
6. Determine the values of sin(2a) and tan(2a), given tan(a) = -7/24 and Pi over 2 ≤ 0 ≤ Pi
7. Use a double angle formula to rewrite each trigonometric ratio a) sin (4a) b) cos (6a) c) tan (5a)