2
QuizMultiple Choice
Law of Cosines
Question 2 • IC Pre-Cal - Deering
A sketch of Jessie’s neighborhood is shown below. Which equation can Jessie use to determine x, the distance from home to school?
Answer
A
StartFraction 6 over sine 110 EndFraction equal to StartFraction x over sine 50 EndFraction.
B
StartFraction x over sine 110 EndFraction equal to StartFraction 6 over sine 50 EndFraction.
C
StartFraction 6 over sine 110 EndFraction equal to StartFraction x over sine 20 EndFraction.
D
StartFraction x over sine 110 EndFraction equal to StartFraction 6 over sine 20 EndFraction.