Question 29 Answer and Explanation _ACT June 2014 Form 72C Math Section

Question 29 Answer and Explanation _ACT June 2014 Form 72C Math Section

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29. Janelle is loading a truck by using a ramp, as shown below. The ramp is 8 feet long, and the end of the ramp that is resting on the truck is 2.5 feet above the level ground. Which of the following expressions gives the angle of inclination of the ramp?

A. $Arccos(\frac{2.5}{8})$

B. $Arcsin(\frac{2.5}{8})$

C. $Arctan(\frac{2.5}{8})$

D. $Arccos(\frac{8}{2.5})$

E. $Arcsin(\frac{8}{2.5})$

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation