Question 56 Answer and Explanation _ACT April 2005 Form 60E Math Section

Question 56 Answer and Explanation _ACT April 2005 Form 60E Math Section

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56. The 2 legs of a right triangle measure 37 inches and45 inches, respectively. What is the cosine of the triangle's smallest interior angle?

F. $\frac{37}{45}$

G. $\frac{45}{37}$

H. $\frac{37}{\sqrt{37+45}}$

J. $\frac{37}{\sqrt{{37}^{2}+{45}^{2}}}$

K. $\frac{45}{\sqrt{{37}^{2}+{45}^{2}}}$

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation