Ask Question
27 May, 06:17

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?

+1
Answers (1)
  1. 27 May, 07:54
    0
    Using cosine rule, the required side is given by:

    sqrt (42^2 + 35^2 - (2 x 42 x 35 x cos 120))

    = sqrt (1764 + 1225 - (-1470))

    = sqrt (2989 + 1470)

    = sqrt (4459)

    ≈ 67
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “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 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers