8
QuizMultiple Choice
Law of Sines
Question 8 • S1S-OC: Pre-Calculus B (E3710 - AG)
Kim drew the diagram below to find x, the length of the pole holding up the stop sign that is at an angle with the ground as shown.The pole casts a 12-foot shadow when the sun is at a 40° angle of elevation. Which equation could Kim use to find x, the length of the pole?
Answer
A
StartFraction sine 40 over x EndFraction equal to StartFraction sine 60 over 12 EndFraction.
B
StartFraction sine 40 over 12 EndFraction equal to StartFraction sine 60 over x EndFraction.
C
StartFraction sine 60 over x EndFraction equal to StartFraction sine 80 over 12 EndFraction.
D
StartFraction sine 80 over x EndFraction equal to StartFraction sine 40 over 12 EndFraction.