1) What is the correct formula for the law of sine? a) b) c) d) 2) Which of the following is used in solving the right triangle? a) Pythagorean Theorem b) Law of Sine c) Law of Cosine d) Midline Theorem 3) In triangle ABC, the measurement of angle A is 42o , while the measurement of angle C is 57o . What is the measurement of angle B?  a) 123o b) 99o c) 81o d) 15o 4) What is the best formula to be used to solve for angle B in the given figure? a) Pythagorean Theorem b) Law of Sine c) Law of Cosine d) Midline Theorem 5) What is the missing letter in the formula of the law of cosine: a2 = b2 + c2 - 2bc cos_____? a) X b) C c) B d) A

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