The alternative form of the law of cosines is used to solve for the angle measures of a triangle when given a. two of the side lengths and a non-included angle b. all three of the side lengths and no angle measures c. one side length and one angle measure d. two of the angle measures and no side lengths

The answer is B. all three of the side lengths and no angle measures

Law of cosines makes use of the sides of the triangles as well as the angles within the polygon. To get the measurement of an angle, the given parameters or data must be B. three side measurements of the triangle. If two sides and a non-included angle are given, then the third side would be determined, instead. Answer is B

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