SOLUTION: suppose a triangle has two sides of length 42 and 35, and that the angle between these two sides is 120. What is the length of the third side of the triangle?

SOLUTION: suppose a triangle has two sides of length 42 and 35, and that the angle between these two sides is 120. What is the length of the third side of the triangle?

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Question 967297: suppose a triangle has two sides of length 42 and 35, and that the angle between these two sides is 120. What is the length of the third side of the triangle?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Law Of Cosines!!!
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