Asked by McKenna Louise
Using the Law of Cosines, how can I show that the measure of each angle of an equilateral triangle is 60 degrees?
Answers
Answered by
Steve
since the sides are all equal,
s^2 = s^2+s^2 - 2s^2 cosθ
cosθ = 1/2
since you can pick any side, the value for θ is good for all three angles.
s^2 = s^2+s^2 - 2s^2 cosθ
cosθ = 1/2
since you can pick any side, the value for θ is good for all three angles.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.