Ask Question
1 July, 15:35

Which equation could be used to solve for the length of side c, given a = 5, b = 12, and c = 72°?

+4
Answers (1)
  1. 1 July, 19:26
    0
    C^2=a^2+b^2-2abcos (c)

    c=sqrt (a^2+b^2-2abcos (c))

    c=sqrt ((5) ^2 + (12) ^2-2 (5) (12) cos (72))

    c=sqrt (25+144-120cos (72))

    c=sqrt (169-120cos (72))

    c=sqrt (169-37.08)

    c=sqrt (131.92)

    c=11.49
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Which equation could be used to solve for the length of side c, given a = 5, b = 12, and c = 72°? ...” 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