Answers OH-Geometry B Area and Perimeter of Triangles — Unit testQuestion 20

20

QuizMultiple Choice

Area and Perimeter of Triangles — Unit test

Question 20 of 25 • OH-Geometry B

Law of cosines: a2 = b2 + c2 – 2bccos(A)

Answer

A

70°

B

77°

C

80°

D

85°

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