6
QuizMultiple Choice
Law of Cosines
Question 6 • NC-Math 4 CR
Which equation can be used to solve for x in the triangle below?
Answer
A
x squared equal to 4 point 7 squared plus 4 point 0 squared + 2 (4.7) (4.0) cosine 41 degree.
B
x equal to 4 point 7 plus 4 point 0 plus 2 (4.7) (4.0) cosine 41 degree.
C
x squared equal to 4 point 7 squared plus 4 point 0 squared - 2 (4.7) (4.0) cosine 41 degree.
D
x equal to 4 point 7 plus 4 point 0 minus 2 (4.7) (4.0) cosine 41 degree.