7
QuizMultiple Choice
Law of Cosines
Question 7 • OH-Geometry B
Abby used the law of cosines for KMN to solve for k.k2 = 312 + 532 – 2(31)(53)cos(37°)Law of cosines: a2 = b2 + c2 – 2bccos(A)
Answer
A
mK = 37° and n = 31
B
mK = 37° and k = 31C
mN = 37° and n = 31D
mN = 37° and k = 31