The Law of Cosines is used to solve triangles in which two sides and the including angle (SAS) are known or those in which three sides (SSS) are known.Group of answer choicesTrueFalse

In order to apply the law of cosines to find the length of the side of a triangle, it is enough to know which of the following?A.The lengths of two of the triangle's sides and the measure of the angle between themB.The measure of an angle and the length of the side opposite that angleC.The area of the triangle

The law of cosines can only be applied to acute triangles.A.TrueB.False

If I know the measures of all three angles and none of the sides of an oblique triangle, neither the Law of Sines nor the Law of Cosines can be used to find the length of a side.Group of answer choicesTrueFalse

If two sides and an included angle are given, what is the most convenient to use to solve the triangle?*a. Law of Tangentsb. Law of Cosinesc. Law of Sinesd. Law of Cotangents

What does the law of cosines reduce to when dealing with a right triangle?A.The law of sinesB.The formula for a triangle's areaC.The Pythagorean theoremD.The law of cosines cannot be applied to a right triangle