Ask Question
24 December, 12:25

Given a triangle with b = 7 c = 3 and A = 37 degrees, what is the length of a?

+5
Answers (1)
  1. 24 December, 14:58
    0
    Using cosine rule a^2 = b^2 + c^2 - 2bc cos A = 7^2 + 3^2 - (2 x 7 x 3) cos 37 = 49 + 9 - 42cos 37 = 58 - 33.54 = 24.46

    a = sqrt (24.46) ≈ 5
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Given a triangle with b = 7 c = 3 and A = 37 degrees, what is the length of a? ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers