Question 25 Answer and Explanation _ACT December 2006 Form 63D Math Section

Question 25 Answer and Explanation _ACT December 2006 Form 63D Math Section

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25. In the figure below, AC represents a support wire x feet long. The wire is attached to a tower at C and to the ground at A. The distance between A and B, which is at the base of the tower, is 20 feet. The angle at A bas measure θ. Which of the following relationships must be true?

A. $\cos{\theta}=\frac{20}{x}$

B. $\sin{\theta}=\frac{20}{x}$

C. $\sin{\theta}=\frac{x}{20}$

D. $\tan{\theta=\frac{20}{x}}$

E. $\tan{\theta}=\frac{x}{20}$

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation