Question 40 Answer and Explanation _ACT December 2012 Form 71A Math Section

Question 40 Answer and Explanation _ACT December 2012 Form 71A Math Section

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40. For △ABC shown below, the length of BC is 50 mm. Which of the following equations, when solved, will give the length, in millimeters, of AB ?

(Note: The law of sines states that given △XYZ, ）

F.

G. $\frac{sin{58}^{\circ}}{50}=\frac{sin{68}^{\circ}}{AB}$

H. $\frac{sin{58}^{\circ}}{50}=\frac{sin{54}^{\circ}}{AB}$

J. $\frac{sin{54}^{\circ}}{50}=\frac{sin{68}^{\circ}}{AB}$

K. $\frac{sin{54}^{\circ}}{50}=\frac{sin{58}^{\circ}}{AB}$

Answer and Explanation

Your Answer is

Correct Answer is G

Explanation